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-rw-r--r--timezone/zic.c1061
1 files changed, 616 insertions, 445 deletions
diff --git a/timezone/zic.c b/timezone/zic.c
index 07d6c30ae2..78ab870941 100644
--- a/timezone/zic.c
+++ b/timezone/zic.c
@@ -23,7 +23,7 @@ typedef int_fast64_t zic_t;
#endif /* !defined ZIC_MAX_ABBR_LEN_WO_WARN */
#if HAVE_SYS_STAT_H
-#include "sys/stat.h"
+#include <sys/stat.h>
#endif
#ifdef S_IRUSR
#define MKDIR_UMASK (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)
@@ -31,21 +31,6 @@ typedef int_fast64_t zic_t;
#define MKDIR_UMASK 0755
#endif
-/*
-** On some ancient hosts, predicates like `isspace(C)' are defined
-** only if isascii(C) || C == EOF. Modern hosts obey the C Standard,
-** which says they are defined only if C == ((unsigned char) C) || C == EOF.
-** Neither the C Standard nor Posix require that `isascii' exist.
-** For portability, we check both ancient and modern requirements.
-** If isascii is not defined, the isascii check succeeds trivially.
-*/
-#include "ctype.h"
-#ifndef isascii
-#define isascii(x) 1
-#endif
-
-#define end(cp) (strchr((cp), '\0'))
-
struct rule {
const char * r_filename;
int r_linenum;
@@ -54,8 +39,8 @@ struct rule {
zic_t r_loyear; /* for example, 1986 */
zic_t r_hiyear; /* for example, 1986 */
const char * r_yrtype;
- int r_lowasnum;
- int r_hiwasnum;
+ bool r_lowasnum;
+ bool r_hiwasnum;
int r_month; /* 0..11 */
@@ -64,10 +49,10 @@ struct rule {
int r_wday;
zic_t r_tod; /* time from midnight */
- int r_todisstd; /* above is standard time if TRUE */
- /* or wall clock time if FALSE */
- int r_todisgmt; /* above is GMT if TRUE */
- /* or local time if FALSE */
+ bool r_todisstd; /* above is standard time if 1 */
+ /* or wall clock time if 0 */
+ bool r_todisgmt; /* above is GMT if 1 */
+ /* or local time if 0 */
zic_t r_stdoff; /* offset from standard time */
const char * r_abbrvar; /* variable part of abbreviation */
@@ -91,6 +76,7 @@ struct zone {
zic_t z_gmtoff;
const char * z_rule;
const char * z_format;
+ char z_format_specifier;
zic_t z_stdoff;
@@ -115,25 +101,25 @@ extern int optind;
#endif
static void addtt(zic_t starttime, int type);
-static int addtype(zic_t gmtoff, const char * abbr, int isdst,
- int ttisstd, int ttisgmt);
-static void leapadd(zic_t t, int positive, int rolling, int count);
+static int addtype(zic_t, char const *, bool, bool, bool);
+static void leapadd(zic_t, bool, int, int);
static void adjleap(void);
static void associate(void);
static void dolink(const char * fromfield, const char * tofield);
static char ** getfields(char * buf);
-static zic_t gethms(const char * string, const char * errstrng,
- int signable);
+static zic_t gethms(const char * string, const char * errstring,
+ bool);
static void infile(const char * filename);
static void inleap(char ** fields, int nfields);
static void inlink(char ** fields, int nfields);
static void inrule(char ** fields, int nfields);
-static int inzcont(char ** fields, int nfields);
-static int inzone(char ** fields, int nfields);
-static int inzsub(char ** fields, int nfields, int iscont);
+static bool inzcont(char ** fields, int nfields);
+static bool inzone(char ** fields, int nfields);
+static bool inzsub(char **, int, bool);
static int itsdir(const char * name);
-static int lowerit(int c);
-static int mkdirs(char * filename);
+static bool is_alpha(char a);
+static char lowerit(char);
+static bool mkdirs(char *);
static void newabbr(const char * abbr);
static zic_t oadd(zic_t t1, zic_t t2);
static void outzone(const struct zone * zp, int ntzones);
@@ -143,21 +129,25 @@ static void rulesub(struct rule * rp,
const char * typep, const char * monthp,
const char * dayp, const char * timep);
static zic_t tadd(zic_t t1, zic_t t2);
-static int yearistype(int year, const char * type);
+static bool yearistype(int year, const char * type);
+
+/* Bound on length of what %z can expand to. */
+enum { PERCENT_Z_LEN_BOUND = sizeof "+995959" - 1 };
static int charcnt;
-static int errors;
+static bool errors;
+static bool warnings;
static const char * filename;
static int leapcnt;
-static int leapseen;
+static bool leapseen;
static zic_t leapminyear;
static zic_t leapmaxyear;
static int linenum;
-static int max_abbrvar_len;
+static int max_abbrvar_len = PERCENT_Z_LEN_BOUND;
static int max_format_len;
static zic_t max_year;
static zic_t min_year;
-static int noise;
+static bool noise;
static const char * rfilename;
static int rlinenum;
static const char * progname;
@@ -333,8 +323,8 @@ static struct lookup const end_years[] = {
};
static struct lookup const leap_types[] = {
- { "Rolling", TRUE },
- { "Stationary", FALSE },
+ { "Rolling", true },
+ { "Stationary", false },
{ NULL, 0 }
};
@@ -354,8 +344,8 @@ static struct attype {
static zic_t gmtoffs[TZ_MAX_TYPES];
static char isdsts[TZ_MAX_TYPES];
static unsigned char abbrinds[TZ_MAX_TYPES];
-static char ttisstds[TZ_MAX_TYPES];
-static char ttisgmts[TZ_MAX_TYPES];
+static bool ttisstds[TZ_MAX_TYPES];
+static bool ttisgmts[TZ_MAX_TYPES];
static char chars[TZ_MAX_CHARS];
static zic_t trans[TZ_MAX_LEAPS];
static zic_t corr[TZ_MAX_LEAPS];
@@ -376,22 +366,44 @@ static ATTRIBUTE_PURE size_t
size_product(size_t nitems, size_t itemsize)
{
if (SIZE_MAX / itemsize < nitems)
- memory_exhausted("size overflow");
+ memory_exhausted(_("size overflow"));
return nitems * itemsize;
}
+#if !HAVE_STRDUP
+static char *
+strdup(char const *str)
+{
+ char *result = malloc(strlen(str) + 1);
+ return result ? strcpy(result, str) : result;
+}
+#endif
+
static ATTRIBUTE_PURE void *
-memcheck(void *const ptr)
+memcheck(void *ptr)
{
if (ptr == NULL)
memory_exhausted(strerror(errno));
return ptr;
}
-#define emalloc(size) memcheck(malloc(size))
-#define erealloc(ptr, size) memcheck(realloc(ptr, size))
-#define ecpyalloc(ptr) memcheck(icpyalloc(ptr))
-#define ecatalloc(oldp, newp) memcheck(icatalloc((oldp), (newp)))
+static void *
+emalloc(size_t size)
+{
+ return memcheck(malloc(size));
+}
+
+static void *
+erealloc(void *ptr, size_t size)
+{
+ return memcheck(realloc(ptr, size));
+}
+
+static char *
+ecpyalloc (char const *str)
+{
+ return memcheck(strdup(str));
+}
static void *
growalloc(void *ptr, size_t itemsize, int nitems, int *nitems_alloc)
@@ -401,7 +413,7 @@ growalloc(void *ptr, size_t itemsize, int nitems, int *nitems_alloc)
else {
int amax = INT_MAX < SIZE_MAX ? INT_MAX : SIZE_MAX;
if ((amax - 1) / 3 * 2 < *nitems_alloc)
- memory_exhausted("int overflow");
+ memory_exhausted(_("int overflow"));
*nitems_alloc = *nitems_alloc + (*nitems_alloc >> 1) + 1;
return erealloc(ptr, size_product(*nitems_alloc, itemsize));
}
@@ -435,13 +447,13 @@ verror(const char *const string, va_list args)
** zic ... 2>&1 | error -t "*" -v
** on BSD systems.
*/
- fprintf(stderr, _("\"%s\", line %d: "), filename, linenum);
+ if (filename)
+ fprintf(stderr, _("\"%s\", line %d: "), filename, linenum);
vfprintf(stderr, string, args);
if (rfilename != NULL)
- (void) fprintf(stderr, _(" (rule from \"%s\", line %d)"),
+ fprintf(stderr, _(" (rule from \"%s\", line %d)"),
rfilename, rlinenum);
- (void) fprintf(stderr, "\n");
- ++errors;
+ fprintf(stderr, "\n");
}
static void ATTRIBUTE_FORMAT((printf, 1, 2))
@@ -451,6 +463,7 @@ error(const char *const string, ...)
va_start(args, string);
verror(string, args);
va_end(args);
+ errors = true;
}
static void ATTRIBUTE_FORMAT((printf, 1, 2))
@@ -461,19 +474,35 @@ warning(const char *const string, ...)
va_start(args, string);
verror(string, args);
va_end(args);
- --errors;
+ warnings = true;
+}
+
+static void
+close_file(FILE *stream, char const *name)
+{
+ char const *e = (ferror(stream) ? _("I/O error")
+ : fclose(stream) != 0 ? strerror(errno) : NULL);
+ if (e) {
+ fprintf(stderr, "%s: ", progname);
+ if (name)
+ fprintf(stderr, "%s: ", name);
+ fprintf(stderr, "%s\n", e);
+ exit(EXIT_FAILURE);
+ }
}
static _Noreturn void
usage(FILE *stream, int status)
{
- (void) fprintf(stream, _("%s: usage is %s \
-[ --version ] [ --help ] [ -v ] [ -l localtime ] [ -p posixrules ] \\\n\
-\t[ -d directory ] [ -L leapseconds ] [ -y yearistype ] [ filename ... ]\n\
-\n\
-Report bugs to %s.\n"),
- progname, progname, REPORT_BUGS_TO);
- exit(status);
+ fprintf(stream,
+ _("%s: usage is %s [ --version ] [ --help ] [ -v ] \\\n"
+ "\t[ -l localtime ] [ -p posixrules ] [ -d directory ] \\\n"
+ "\t[ -L leapseconds ] [ filename ... ]\n\n"
+ "Report bugs to %s.\n"),
+ progname, progname, REPORT_BUGS_TO);
+ if (status == EXIT_SUCCESS)
+ close_file(stream, NULL);
+ exit(status);
}
static const char * psxrules;
@@ -490,25 +519,26 @@ main(int argc, char **argv)
register int c;
#ifdef S_IWGRP
- (void) umask(umask(S_IWGRP | S_IWOTH) | (S_IWGRP | S_IWOTH));
+ umask(umask(S_IWGRP | S_IWOTH) | (S_IWGRP | S_IWOTH));
#endif
#if HAVE_GETTEXT
- (void) setlocale(LC_ALL, "");
+ setlocale(LC_ALL, "");
#ifdef TZ_DOMAINDIR
- (void) bindtextdomain(TZ_DOMAIN, TZ_DOMAINDIR);
+ bindtextdomain(TZ_DOMAIN, TZ_DOMAINDIR);
#endif /* defined TEXTDOMAINDIR */
- (void) textdomain(TZ_DOMAIN);
+ textdomain(TZ_DOMAIN);
#endif /* HAVE_GETTEXT */
progname = argv[0];
if (TYPE_BIT(zic_t) < 64) {
- (void) fprintf(stderr, "%s: %s\n", progname,
+ fprintf(stderr, "%s: %s\n", progname,
_("wild compilation-time specification of zic_t"));
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
for (i = 1; i < argc; ++i)
if (strcmp(argv[i], "--version") == 0) {
- (void) printf("zic %s%s\n", PKGVERSION, TZVERSION);
- exit(EXIT_SUCCESS);
+ printf("zic %s%s\n", PKGVERSION, TZVERSION);
+ close_file(stdout, NULL);
+ return EXIT_SUCCESS;
} else if (strcmp(argv[i], "--help") == 0) {
usage(stdout, EXIT_SUCCESS);
}
@@ -520,57 +550,57 @@ main(int argc, char **argv)
if (directory == NULL)
directory = optarg;
else {
- (void) fprintf(stderr,
+ fprintf(stderr,
_("%s: More than one -d option specified\n"),
progname);
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
break;
case 'l':
if (lcltime == NULL)
lcltime = optarg;
else {
- (void) fprintf(stderr,
+ fprintf(stderr,
_("%s: More than one -l option specified\n"),
progname);
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
break;
case 'p':
if (psxrules == NULL)
psxrules = optarg;
else {
- (void) fprintf(stderr,
+ fprintf(stderr,
_("%s: More than one -p option specified\n"),
progname);
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
break;
case 'y':
if (yitcommand == NULL)
yitcommand = optarg;
else {
- (void) fprintf(stderr,
+ fprintf(stderr,
_("%s: More than one -y option specified\n"),
progname);
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
break;
case 'L':
if (leapsec == NULL)
leapsec = optarg;
else {
- (void) fprintf(stderr,
+ fprintf(stderr,
_("%s: More than one -L option specified\n"),
progname);
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
break;
case 'v':
- noise = TRUE;
+ noise = true;
break;
case 's':
- (void) printf("%s: -s ignored\n", progname);
+ warning(_("-s ignored"));
break;
}
if (optind == argc - 1 && strcmp(argv[optind], "=") == 0)
@@ -588,7 +618,7 @@ _("%s: More than one -L option specified\n"),
for (i = optind; i < argc; ++i)
infile(argv[i]);
if (errors)
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
associate();
for (i = 0; i < nzones; i = j) {
/*
@@ -611,53 +641,137 @@ _("%s: More than one -L option specified\n"),
warning(_("link to link"));
}
if (lcltime != NULL) {
- eat("command line", 1);
+ eat(_("command line"), 1);
dolink(lcltime, TZDEFAULT);
}
if (psxrules != NULL) {
- eat("command line", 1);
+ eat(_("command line"), 1);
dolink(psxrules, TZDEFRULES);
}
- return (errors == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+ if (warnings && (ferror(stderr) || fclose(stderr) != 0))
+ return EXIT_FAILURE;
+ return errors ? EXIT_FAILURE : EXIT_SUCCESS;
+}
+
+static bool
+componentcheck(char const *name, char const *component,
+ char const *component_end)
+{
+ enum { component_len_max = 14 };
+ size_t component_len = component_end - component;
+ if (component_len == 0) {
+ if (!*name)
+ error (_("empty file name"));
+ else
+ error (_(component == name
+ ? "file name '%s' begins with '/'"
+ : *component_end
+ ? "file name '%s' contains '//'"
+ : "file name '%s' ends with '/'"),
+ name);
+ return false;
+ }
+ if (0 < component_len && component_len <= 2
+ && component[0] == '.' && component_end[-1] == '.') {
+ error(_("file name '%s' contains '%.*s' component"),
+ name, (int) component_len, component);
+ return false;
+ }
+ if (noise) {
+ if (0 < component_len && component[0] == '-')
+ warning(_("file name '%s' component contains leading '-'"),
+ name);
+ if (component_len_max < component_len)
+ warning(_("file name '%s' contains overlength component"
+ " '%.*s...'"),
+ name, component_len_max, component);
+ }
+ return true;
+}
+
+static bool
+namecheck(const char *name)
+{
+ register char const *cp;
+
+ /* Benign characters in a portable file name. */
+ static char const benign[] =
+ "-/_"
+ "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+ /* Non-control chars in the POSIX portable character set,
+ excluding the benign characters. */
+ static char const printable_and_not_benign[] =
+ " !\"#$%&'()*+,.0123456789:;<=>?@[\\]^`{|}~";
+
+ register char const *component = name;
+ for (cp = name; *cp; cp++) {
+ unsigned char c = *cp;
+ if (noise && !strchr(benign, c)) {
+ warning((strchr(printable_and_not_benign, c)
+ ? _("file name '%s' contains byte '%c'")
+ : _("file name '%s' contains byte '\\%o'")),
+ name, c);
+ }
+ if (c == '/') {
+ if (!componentcheck(name, component, cp))
+ return false;
+ component = cp + 1;
+ }
+ }
+ return componentcheck(name, component, cp);
+}
+
+static char *
+relname(char const *dir, char const *base)
+{
+ if (*base == '/')
+ return ecpyalloc(base);
+ else {
+ size_t dir_len = strlen(dir);
+ bool needs_slash = dir_len && dir[dir_len - 1] != '/';
+ char *result = emalloc(dir_len + needs_slash + strlen(base) + 1);
+ result[dir_len] = '/';
+ strcpy(result + dir_len + needs_slash, base);
+ return memcpy(result, dir, dir_len);
+ }
}
static void
-dolink(const char *const fromfield, const char *const tofield)
+dolink(char const *fromfield, char const *tofield)
{
register char * fromname;
register char * toname;
+ register int fromisdir;
- if (fromfield[0] == '/')
- fromname = ecpyalloc(fromfield);
- else {
- fromname = ecpyalloc(directory);
- fromname = ecatalloc(fromname, "/");
- fromname = ecatalloc(fromname, fromfield);
- }
- if (tofield[0] == '/')
- toname = ecpyalloc(tofield);
- else {
- toname = ecpyalloc(directory);
- toname = ecatalloc(toname, "/");
- toname = ecatalloc(toname, tofield);
- }
+ fromname = relname(directory, fromfield);
+ toname = relname(directory, tofield);
/*
** We get to be careful here since
** there's a fair chance of root running us.
*/
- if (!itsdir(toname))
- (void) remove(toname);
- if (link(fromname, toname) != 0
- && access(fromname, F_OK) == 0 && !itsdir(fromname)) {
+ fromisdir = itsdir(fromname);
+ if (fromisdir) {
+ char const *e = strerror(fromisdir < 0 ? errno : EPERM);
+ fprintf(stderr, _("%s: link from %s failed: %s"),
+ progname, fromname, e);
+ exit(EXIT_FAILURE);
+ }
+ if (itsdir(toname) <= 0)
+ remove(toname);
+ if (link(fromname, toname) != 0) {
int result;
- if (mkdirs(toname) != 0)
+ if (! mkdirs(toname))
exit(EXIT_FAILURE);
result = link(fromname, toname);
if (result != 0) {
const char *s = fromfield;
const char *t;
+ char *p;
+ size_t dotdots = 0;
register char * symlinkcontents = NULL;
do
@@ -666,13 +780,13 @@ dolink(const char *const fromfield, const char *const tofield)
&& ! strncmp (fromfield, tofield,
++s - fromfield));
- for (s = tofield + (t - fromfield);
- (s = strchr(s, '/'));
- s++)
- symlinkcontents =
- ecatalloc(symlinkcontents,
- "../");
- symlinkcontents = ecatalloc(symlinkcontents, t);
+ for (s = tofield + (t - fromfield); *s; s++)
+ dotdots += *s == '/';
+ symlinkcontents
+ = emalloc(3 * dotdots + strlen(t) + 1);
+ for (p = symlinkcontents; dotdots-- != 0; p += 3)
+ memcpy(p, "../", 3);
+ strcpy(p, t);
result = symlink(symlinkcontents, toname);
if (result == 0)
warning(_("hard link failed, symbolic link used"));
@@ -684,7 +798,7 @@ warning(_("hard link failed, symbolic link used"));
fp = fopen(fromname, "rb");
if (!fp) {
const char *e = strerror(errno);
- (void) fprintf(stderr,
+ fprintf(stderr,
_("%s: Can't read %s: %s\n"),
progname, fromname, e);
exit(EXIT_FAILURE);
@@ -692,25 +806,15 @@ warning(_("hard link failed, symbolic link used"));
tp = fopen(toname, "wb");
if (!tp) {
const char *e = strerror(errno);
- (void) fprintf(stderr,
+ fprintf(stderr,
_("%s: Can't create %s: %s\n"),
progname, toname, e);
exit(EXIT_FAILURE);
}
while ((c = getc(fp)) != EOF)
putc(c, tp);
- if (ferror(fp) || fclose(fp)) {
- (void) fprintf(stderr,
- _("%s: Error reading %s\n"),
- progname, fromname);
- exit(EXIT_FAILURE);
- }
- if (ferror(tp) || fclose(tp)) {
- (void) fprintf(stderr,
- _("%s: Error writing %s\n"),
- progname, toname);
- exit(EXIT_FAILURE);
- }
+ close_file(fp, fromname);
+ close_file(tp, toname);
warning(_("link failed, copy used"));
}
}
@@ -720,8 +824,8 @@ warning(_("hard link failed, symbolic link used"));
#define TIME_T_BITS_IN_FILE 64
-static const zic_t min_time = (zic_t) -1 << (TIME_T_BITS_IN_FILE - 1);
-static const zic_t max_time = -1 - ((zic_t) -1 << (TIME_T_BITS_IN_FILE - 1));
+static zic_t const min_time = MINVAL (zic_t, TIME_T_BITS_IN_FILE);
+static zic_t const max_time = MAXVAL (zic_t, TIME_T_BITS_IN_FILE);
/* Estimated time of the Big Bang, in seconds since the POSIX epoch.
rounded downward to the negation of a power of two that is
@@ -753,17 +857,24 @@ static const zic_t max_time = -1 - ((zic_t) -1 << (TIME_T_BITS_IN_FILE - 1));
static const zic_t big_bang_time = BIG_BANG;
+/* Return 1 if NAME is a directory, 0 if it's something else, -1 if trouble. */
static int
-itsdir(const char *const name)
+itsdir(char const *name)
{
- register char * myname;
- register int accres;
-
- myname = ecpyalloc(name);
- myname = ecatalloc(myname, "/.");
- accres = access(myname, F_OK);
- free(myname);
- return accres == 0;
+ struct stat st;
+ int res = stat(name, &st);
+ if (res != 0)
+ return res;
+#ifdef S_ISDIR
+ return S_ISDIR(st.st_mode) != 0;
+#else
+ {
+ char *nameslashdot = relname(name, ".");
+ res = stat(nameslashdot, &st);
+ free(nameslashdot);
+ return res == 0;
+ }
+#endif
}
/*
@@ -790,7 +901,7 @@ associate(void)
register int i, j;
if (nrules != 0) {
- (void) qsort(rules, nrules, sizeof *rules, rcomp);
+ qsort(rules, nrules, sizeof *rules, rcomp);
for (i = 0; i < nrules - 1; ++i) {
if (strcmp(rules[i].r_name,
rules[i + 1].r_name) != 0)
@@ -843,12 +954,12 @@ associate(void)
*/
eat(zp->z_filename, zp->z_linenum);
zp->z_stdoff = gethms(zp->z_rule, _("unruly zone"),
- TRUE);
+ true);
/*
** Note, though, that if there's no rule,
** a '%s' in the format is a bad thing.
*/
- if (strchr(zp->z_format, '%') != 0)
+ if (zp->z_format_specifier == 's')
error("%s", _("%s in ruleless zone"));
}
}
@@ -864,7 +975,7 @@ infile(const char *name)
register char * cp;
register const struct lookup * lp;
register int nfields;
- register int wantcont;
+ register bool wantcont;
register int num;
char buf[BUFSIZ];
@@ -874,11 +985,11 @@ infile(const char *name)
} else if ((fp = fopen(name, "r")) == NULL) {
const char *e = strerror(errno);
- (void) fprintf(stderr, _("%s: Can't open %s: %s\n"),
+ fprintf(stderr, _("%s: Can't open %s: %s\n"),
progname, name, e);
exit(EXIT_FAILURE);
}
- wantcont = FALSE;
+ wantcont = false;
for (num = 1; ; ++num) {
eat(name, num);
if (fgets(buf, sizeof buf, fp) != buf)
@@ -909,25 +1020,25 @@ infile(const char *name)
else switch ((int) (lp->l_value)) {
case LC_RULE:
inrule(fields, nfields);
- wantcont = FALSE;
+ wantcont = false;
break;
case LC_ZONE:
wantcont = inzone(fields, nfields);
break;
case LC_LINK:
inlink(fields, nfields);
- wantcont = FALSE;
+ wantcont = false;
break;
case LC_LEAP:
if (name != leapsec)
- (void) fprintf(stderr,
-_("%s: Leap line in non leap seconds file %s\n"),
- progname, name);
+ warning(_("%s: Leap line in non leap"
+ " seconds file %s"),
+ progname, name);
else inleap(fields, nfields);
- wantcont = FALSE;
+ wantcont = false;
break;
default: /* "cannot happen" */
- (void) fprintf(stderr,
+ fprintf(stderr,
_("%s: panic: Invalid l_value %d\n"),
progname, lp->l_value);
exit(EXIT_FAILURE);
@@ -935,18 +1046,7 @@ _("%s: panic: Invalid l_value %d\n"),
}
free(fields);
}
- if (ferror(fp)) {
- (void) fprintf(stderr, _("%s: Error reading %s\n"),
- progname, filename);
- exit(EXIT_FAILURE);
- }
- if (fp != stdin && fclose(fp)) {
- const char *e = strerror(errno);
-
- (void) fprintf(stderr, _("%s: Error closing %s: %s\n"),
- progname, filename, e);
- exit(EXIT_FAILURE);
- }
+ close_file(fp, filename);
if (wantcont)
error(_("expected continuation line not found"));
}
@@ -960,10 +1060,11 @@ _("%s: panic: Invalid l_value %d\n"),
*/
static zic_t
-gethms(const char *string, const char *const errstring, const int signable)
+gethms(char const *string, char const *errstring, bool signable)
{
zic_t hh;
int mm, ss, sign;
+ char xs;
if (string == NULL || *string == '\0')
return 0;
@@ -973,12 +1074,12 @@ gethms(const char *string, const char *const errstring, const int signable)
sign = -1;
++string;
} else sign = 1;
- if (sscanf(string, scheck(string, "%"SCNdZIC), &hh) == 1)
+ if (sscanf(string, "%"SCNdZIC"%c", &hh, &xs) == 1)
mm = ss = 0;
- else if (sscanf(string, scheck(string, "%"SCNdZIC":%d"), &hh, &mm) == 2)
+ else if (sscanf(string, "%"SCNdZIC":%d%c", &hh, &mm, &xs) == 2)
ss = 0;
- else if (sscanf(string, scheck(string, "%"SCNdZIC":%d:%d"),
- &hh, &mm, &ss) != 3) {
+ else if (sscanf(string, "%"SCNdZIC":%d:%d%c", &hh, &mm, &ss, &xs)
+ != 3) {
error("%s", errstring);
return 0;
}
@@ -1000,7 +1101,7 @@ warning(_("values over 24 hours not handled by pre-2007 versions of zic"));
}
static void
-inrule(register char **const fields, const int nfields)
+inrule(char **fields, int nfields)
{
static struct rule r;
@@ -1014,7 +1115,7 @@ inrule(register char **const fields, const int nfields)
}
r.r_filename = filename;
r.r_linenum = linenum;
- r.r_stdoff = gethms(fields[RF_STDOFF], _("invalid saved time"), TRUE);
+ r.r_stdoff = gethms(fields[RF_STDOFF], _("invalid saved time"), true);
rulesub(&r, fields[RF_LOYEAR], fields[RF_HIYEAR], fields[RF_COMMAND],
fields[RF_MONTH], fields[RF_DAY], fields[RF_TOD]);
r.r_name = ecpyalloc(fields[RF_NAME]);
@@ -1025,26 +1126,26 @@ inrule(register char **const fields, const int nfields)
rules[nrules++] = r;
}
-static int
-inzone(register char **const fields, const int nfields)
+static bool
+inzone(char **fields, int nfields)
{
register int i;
if (nfields < ZONE_MINFIELDS || nfields > ZONE_MAXFIELDS) {
error(_("wrong number of fields on Zone line"));
- return FALSE;
+ return false;
}
if (strcmp(fields[ZF_NAME], TZDEFAULT) == 0 && lcltime != NULL) {
error(
_("\"Zone %s\" line and -l option are mutually exclusive"),
TZDEFAULT);
- return FALSE;
+ return false;
}
if (strcmp(fields[ZF_NAME], TZDEFRULES) == 0 && psxrules != NULL) {
error(
_("\"Zone %s\" line and -p option are mutually exclusive"),
TZDEFRULES);
- return FALSE;
+ return false;
}
for (i = 0; i < nzones; ++i)
if (zones[i].z_name != NULL &&
@@ -1054,30 +1155,31 @@ _("duplicate zone name %s (file \"%s\", line %d)"),
fields[ZF_NAME],
zones[i].z_filename,
zones[i].z_linenum);
- return FALSE;
+ return false;
}
- return inzsub(fields, nfields, FALSE);
+ return inzsub(fields, nfields, false);
}
-static int
-inzcont(register char **const fields, const int nfields)
+static bool
+inzcont(char **fields, int nfields)
{
if (nfields < ZONEC_MINFIELDS || nfields > ZONEC_MAXFIELDS) {
error(_("wrong number of fields on Zone continuation line"));
- return FALSE;
+ return false;
}
- return inzsub(fields, nfields, TRUE);
+ return inzsub(fields, nfields, true);
}
-static int
-inzsub(register char **const fields, const int nfields, const int iscont)
+static bool
+inzsub(char **fields, int nfields, bool iscont)
{
register char * cp;
+ char * cp1;
static struct zone z;
register int i_gmtoff, i_rule, i_format;
register int i_untilyear, i_untilmonth;
register int i_untilday, i_untiltime;
- register int hasuntil;
+ register bool hasuntil;
if (iscont) {
i_gmtoff = ZFC_GMTOFF;
@@ -1088,7 +1190,9 @@ inzsub(register char **const fields, const int nfields, const int iscont)
i_untilday = ZFC_TILDAY;
i_untiltime = ZFC_TILTIME;
z.z_name = NULL;
- } else {
+ } else if (!namecheck(fields[ZF_NAME]))
+ return false;
+ else {
i_gmtoff = ZF_GMTOFF;
i_rule = ZF_RULE;
i_format = ZF_FORMAT;
@@ -1100,15 +1204,23 @@ inzsub(register char **const fields, const int nfields, const int iscont)
}
z.z_filename = filename;
z.z_linenum = linenum;
- z.z_gmtoff = gethms(fields[i_gmtoff], _("invalid UT offset"), TRUE);
+ z.z_gmtoff = gethms(fields[i_gmtoff], _("invalid UT offset"), true);
if ((cp = strchr(fields[i_format], '%')) != 0) {
- if (*++cp != 's' || strchr(cp, '%') != 0) {
+ if ((*++cp != 's' && *cp != 'z') || strchr(cp, '%')
+ || strchr(fields[i_format], '/')) {
error(_("invalid abbreviation format"));
- return FALSE;
+ return false;
}
}
z.z_rule = ecpyalloc(fields[i_rule]);
- z.z_format = ecpyalloc(fields[i_format]);
+ z.z_format = cp1 = ecpyalloc(fields[i_format]);
+ z.z_format_specifier = cp ? *cp : '\0';
+ if (z.z_format_specifier == 'z') {
+ if (noise)
+ warning(_("format '%s' not handled by pre-2015 versions of zic"),
+ z.z_format);
+ cp1[cp - fields[i_format]] = 's';
+ }
if (max_format_len < strlen(z.z_format))
max_format_len = strlen(z.z_format);
hasuntil = nfields > i_untilyear;
@@ -1134,7 +1246,7 @@ inzsub(register char **const fields, const int nfields, const int iscont)
error(_(
"Zone continuation line end time is not after end time of previous line"
));
- return FALSE;
+ return false;
}
}
zones = growalloc(zones, sizeof *zones, nzones, &nzones_alloc);
@@ -1147,7 +1259,7 @@ inzsub(register char **const fields, const int nfields, const int iscont)
}
static void
-inleap(register char ** const fields, const int nfields)
+inleap(char **fields, int nfields)
{
register const char * cp;
register const struct lookup * lp;
@@ -1156,6 +1268,7 @@ inleap(register char ** const fields, const int nfields)
int month, day;
zic_t dayoff, tod;
zic_t t;
+ char xs;
if (nfields != LEAP_FIELDS) {
error(_("wrong number of fields on Leap line"));
@@ -1163,7 +1276,7 @@ inleap(register char ** const fields, const int nfields)
}
dayoff = 0;
cp = fields[LP_YEAR];
- if (sscanf(cp, scheck(cp, "%"SCNdZIC), &year) != 1) {
+ if (sscanf(cp, "%"SCNdZIC"%c", &year, &xs) != 1) {
/*
** Leapin' Lizards!
*/
@@ -1174,7 +1287,7 @@ inleap(register char ** const fields, const int nfields)
leapmaxyear = year;
if (!leapseen || leapminyear > year)
leapminyear = year;
- leapseen = TRUE;
+ leapseen = true;
j = EPOCH_YEAR;
while (j != year) {
if (year > j) {
@@ -1198,7 +1311,7 @@ inleap(register char ** const fields, const int nfields)
++j;
}
cp = fields[LP_DAY];
- if (sscanf(cp, scheck(cp, "%d"), &day) != 1 ||
+ if (sscanf(cp, "%d%c", &day, &xs) != 1 ||
day <= 0 || day > len_months[isleap(year)][month]) {
error(_("invalid day of month"));
return;
@@ -1213,23 +1326,23 @@ inleap(register char ** const fields, const int nfields)
return;
}
t = dayoff * SECSPERDAY;
- tod = gethms(fields[LP_TIME], _("invalid time of day"), FALSE);
+ tod = gethms(fields[LP_TIME], _("invalid time of day"), false);
cp = fields[LP_CORR];
{
- register int positive;
+ register bool positive;
int count;
if (strcmp(cp, "") == 0) { /* infile() turns "-" into "" */
- positive = FALSE;
+ positive = false;
count = 1;
} else if (strcmp(cp, "--") == 0) {
- positive = FALSE;
+ positive = false;
count = 2;
} else if (strcmp(cp, "+") == 0) {
- positive = TRUE;
+ positive = true;
count = 1;
} else if (strcmp(cp, "++") == 0) {
- positive = TRUE;
+ positive = true;
count = 2;
} else {
error(_("illegal CORRECTION field on Leap line"));
@@ -1251,7 +1364,7 @@ inleap(register char ** const fields, const int nfields)
}
static void
-inlink(register char **const fields, const int nfields)
+inlink(char **fields, int nfields)
{
struct link l;
@@ -1263,10 +1376,8 @@ inlink(register char **const fields, const int nfields)
error(_("blank FROM field on Link line"));
return;
}
- if (*fields[LF_TO] == '\0') {
- error(_("blank TO field on Link line"));
- return;
- }
+ if (! namecheck(fields[LF_TO]))
+ return;
l.l_filename = filename;
l.l_linenum = linenum;
l.l_from = ecpyalloc(fields[LF_FROM]);
@@ -1276,50 +1387,47 @@ inlink(register char **const fields, const int nfields)
}
static void
-rulesub(register struct rule *const rp,
- const char *const loyearp,
- const char *const hiyearp,
- const char *const typep,
- const char *const monthp,
- const char *const dayp,
- const char *const timep)
+rulesub(struct rule *rp, const char *loyearp, const char *hiyearp,
+ const char *typep, const char *monthp, const char *dayp,
+ const char *timep)
{
register const struct lookup * lp;
register const char * cp;
register char * dp;
register char * ep;
+ char xs;
if ((lp = byword(monthp, mon_names)) == NULL) {
error(_("invalid month name"));
return;
}
rp->r_month = lp->l_value;
- rp->r_todisstd = FALSE;
- rp->r_todisgmt = FALSE;
+ rp->r_todisstd = false;
+ rp->r_todisgmt = false;
dp = ecpyalloc(timep);
if (*dp != '\0') {
ep = dp + strlen(dp) - 1;
switch (lowerit(*ep)) {
case 's': /* Standard */
- rp->r_todisstd = TRUE;
- rp->r_todisgmt = FALSE;
+ rp->r_todisstd = true;
+ rp->r_todisgmt = false;
*ep = '\0';
break;
case 'w': /* Wall */
- rp->r_todisstd = FALSE;
- rp->r_todisgmt = FALSE;
+ rp->r_todisstd = false;
+ rp->r_todisgmt = false;
*ep = '\0';
break;
case 'g': /* Greenwich */
case 'u': /* Universal */
case 'z': /* Zulu */
- rp->r_todisstd = TRUE;
- rp->r_todisgmt = TRUE;
+ rp->r_todisstd = true;
+ rp->r_todisgmt = true;
*ep = '\0';
break;
}
}
- rp->r_tod = gethms(dp, _("invalid time of day"), FALSE);
+ rp->r_tod = gethms(dp, _("invalid time of day"), false);
free(dp);
/*
** Year work.
@@ -1335,11 +1443,11 @@ rulesub(register struct rule *const rp,
rp->r_loyear = ZIC_MAX;
break;
default: /* "cannot happen" */
- (void) fprintf(stderr,
+ fprintf(stderr,
_("%s: panic: Invalid l_value %d\n"),
progname, lp->l_value);
exit(EXIT_FAILURE);
- } else if (sscanf(cp, scheck(cp, "%"SCNdZIC), &rp->r_loyear) != 1) {
+ } else if (sscanf(cp, "%"SCNdZIC"%c", &rp->r_loyear, &xs) != 1) {
error(_("invalid starting year"));
return;
}
@@ -1357,11 +1465,11 @@ rulesub(register struct rule *const rp,
rp->r_hiyear = rp->r_loyear;
break;
default: /* "cannot happen" */
- (void) fprintf(stderr,
+ fprintf(stderr,
_("%s: panic: Invalid l_value %d\n"),
progname, lp->l_value);
exit(EXIT_FAILURE);
- } else if (sscanf(cp, scheck(cp, "%"SCNdZIC), &rp->r_hiyear) != 1) {
+ } else if (sscanf(cp, "%"SCNdZIC"%c", &rp->r_hiyear, &xs) != 1) {
error(_("invalid ending year"));
return;
}
@@ -1414,7 +1522,7 @@ rulesub(register struct rule *const rp,
}
rp->r_wday = lp->l_value;
}
- if (sscanf(ep, scheck(ep, "%d"), &rp->r_dayofmonth) != 1 ||
+ if (sscanf(ep, "%d%c", &rp->r_dayofmonth, &xs) != 1 ||
rp->r_dayofmonth <= 0 ||
(rp->r_dayofmonth > len_months[1][rp->r_month])) {
error(_("invalid day of month"));
@@ -1453,7 +1561,7 @@ puttzcode(const int_fast32_t val, FILE *const fp)
char buf[4];
convert(val, buf);
- (void) fwrite(buf, sizeof buf, 1, fp);
+ fwrite(buf, sizeof buf, 1, fp);
}
static void
@@ -1462,7 +1570,7 @@ puttzcode64(const zic_t val, FILE *const fp)
char buf[8];
convert64(val, buf);
- (void) fwrite(buf, sizeof buf, 1, fp);
+ fwrite(buf, sizeof buf, 1, fp);
}
static int
@@ -1474,7 +1582,7 @@ atcomp(const void *avp, const void *bvp)
return (a < b) ? -1 : (a > b);
}
-static int
+static bool
is32(const zic_t x)
{
return INT32_MIN <= x && x <= INT32_MAX;
@@ -1488,7 +1596,7 @@ writezone(const char *const name, const char *const string, char version)
register int leapcnt32, leapi32;
register int timecnt32, timei32;
register int pass;
- static char * fullname;
+ char * fullname;
static const struct tzhead tzh0;
static struct tzhead tzh;
zic_t *ats = emalloc(size_product(timecnt, sizeof *ats + 1));
@@ -1499,7 +1607,7 @@ writezone(const char *const name, const char *const string, char version)
** Sort.
*/
if (timecnt > 1)
- (void) qsort(attypes, timecnt, sizeof *attypes, atcomp);
+ qsort(attypes, timecnt, sizeof *attypes, atcomp);
/*
** Optimize.
*/
@@ -1561,7 +1669,7 @@ writezone(const char *const name, const char *const string, char version)
++timei32;
}
/*
- ** Output an INT32_MIN "transition" if appropriate--see below.
+ ** Output an INT32_MIN "transition" if appropriate; see below.
*/
if (timei32 > 0 && ats[timei32] > INT32_MIN) {
--timei32;
@@ -1573,26 +1681,24 @@ writezone(const char *const name, const char *const string, char version)
--leapcnt32;
++leapi32;
}
- fullname = erealloc(fullname,
- strlen(directory) + 1 + strlen(name) + 1);
- (void) sprintf(fullname, "%s/%s", directory, name);
+ fullname = relname(directory, name);
/*
** Remove old file, if any, to snap links.
*/
- if (!itsdir(fullname) && remove(fullname) != 0 && errno != ENOENT) {
+ if (itsdir(fullname) <= 0 && remove(fullname) != 0 && errno != ENOENT) {
const char *e = strerror(errno);
- (void) fprintf(stderr, _("%s: Can't remove %s: %s\n"),
+ fprintf(stderr, _("%s: Can't remove %s: %s\n"),
progname, fullname, e);
exit(EXIT_FAILURE);
}
if ((fp = fopen(fullname, "wb")) == NULL) {
- if (mkdirs(fullname) != 0)
+ if (! mkdirs(fullname))
exit(EXIT_FAILURE);
if ((fp = fopen(fullname, "wb")) == NULL) {
const char *e = strerror(errno);
- (void) fprintf(stderr, _("%s: Can't create %s: %s\n"),
+ fprintf(stderr, _("%s: Can't create %s: %s\n"),
progname, fullname, e);
exit(EXIT_FAILURE);
}
@@ -1606,7 +1712,7 @@ writezone(const char *const name, const char *const string, char version)
register int thistypecnt;
char thischars[TZ_MAX_CHARS];
char thischarcnt;
- int indmap[TZ_MAX_CHARS];
+ int indmap[TZ_MAX_CHARS];
if (pass == 1) {
thistimei = timei32;
@@ -1629,16 +1735,16 @@ writezone(const char *const name, const char *const string, char version)
** (32- or 64-bit) window.
*/
if (typecnt != 0)
- writetype[typecnt - 1] = TRUE;
+ writetype[typecnt - 1] = true;
} else {
for (i = thistimei - 1; i < thistimelim; ++i)
if (i >= 0)
- writetype[types[i]] = TRUE;
+ writetype[types[i]] = true;
/*
** For America/Godthab and Antarctica/Palmer
*/
if (thistimei == 0)
- writetype[0] = TRUE;
+ writetype[0] = true;
}
#ifndef LEAVE_SOME_PRE_2011_SYSTEMS_IN_THE_LURCH
/*
@@ -1668,22 +1774,22 @@ writezone(const char *const name, const char *const string, char version)
isdsts[mrudst] = -1;
type = addtype(gmtoffs[mrudst],
&chars[abbrinds[mrudst]],
- TRUE,
+ true,
ttisstds[mrudst],
ttisgmts[mrudst]);
- isdsts[mrudst] = TRUE;
- writetype[type] = TRUE;
+ isdsts[mrudst] = 1;
+ writetype[type] = true;
}
if (histd >= 0 && mrustd >= 0 && histd != mrustd &&
gmtoffs[histd] != gmtoffs[mrustd]) {
isdsts[mrustd] = -1;
type = addtype(gmtoffs[mrustd],
&chars[abbrinds[mrustd]],
- FALSE,
+ false,
ttisstds[mrustd],
ttisgmts[mrustd]);
- isdsts[mrustd] = FALSE;
- writetype[type] = TRUE;
+ isdsts[mrustd] = 0;
+ writetype[type] = true;
}
}
#endif /* !defined LEAVE_SOME_PRE_2011_SYSTEMS_IN_THE_LURCH */
@@ -1705,15 +1811,15 @@ writezone(const char *const name, const char *const string, char version)
if (strcmp(&thischars[j], thisabbr) == 0)
break;
if (j == thischarcnt) {
- (void) strcpy(&thischars[(int) thischarcnt],
+ strcpy(&thischars[(int) thischarcnt],
thisabbr);
thischarcnt += strlen(thisabbr) + 1;
}
indmap[abbrinds[i]] = j;
}
-#define DO(field) ((void) fwrite(tzh.field, sizeof tzh.field, 1, fp))
+#define DO(field) fwrite(tzh.field, sizeof tzh.field, 1, fp)
tzh = tzh0;
- (void) strncpy(tzh.tzh_magic, TZ_MAGIC, sizeof tzh.tzh_magic);
+ strncpy(tzh.tzh_magic, TZ_MAGIC, sizeof tzh.tzh_magic);
tzh.tzh_version[0] = version;
convert(thistypecnt, tzh.tzh_ttisgmtcnt);
convert(thistypecnt, tzh.tzh_ttisstdcnt);
@@ -1735,7 +1841,7 @@ writezone(const char *const name, const char *const string, char version)
if (pass == 1)
/*
** Output an INT32_MIN "transition"
- ** if appropriate--see above.
+ ** if appropriate; see above.
*/
puttzcode(((ats[i] < INT32_MIN) ?
INT32_MIN : ats[i]), fp);
@@ -1744,16 +1850,16 @@ writezone(const char *const name, const char *const string, char version)
unsigned char uc;
uc = typemap[types[i]];
- (void) fwrite(&uc, sizeof uc, 1, fp);
+ fwrite(&uc, sizeof uc, 1, fp);
}
for (i = 0; i < typecnt; ++i)
if (writetype[i]) {
puttzcode(gmtoffs[i], fp);
- (void) putc(isdsts[i], fp);
- (void) putc((unsigned char) indmap[abbrinds[i]], fp);
+ putc(isdsts[i], fp);
+ putc((unsigned char) indmap[abbrinds[i]], fp);
}
if (thischarcnt != 0)
- (void) fwrite(thischars, sizeof thischars[0],
+ fwrite(thischars, sizeof thischars[0],
thischarcnt, fp);
for (i = thisleapi; i < thisleaplim; ++i) {
register zic_t todo;
@@ -1782,54 +1888,88 @@ writezone(const char *const name, const char *const string, char version)
}
for (i = 0; i < typecnt; ++i)
if (writetype[i])
- (void) putc(ttisstds[i], fp);
+ putc(ttisstds[i], fp);
for (i = 0; i < typecnt; ++i)
if (writetype[i])
- (void) putc(ttisgmts[i], fp);
- }
- (void) fprintf(fp, "\n%s\n", string);
- if (ferror(fp) || fclose(fp)) {
- (void) fprintf(stderr, _("%s: Error writing %s\n"),
- progname, fullname);
- exit(EXIT_FAILURE);
+ putc(ttisgmts[i], fp);
}
+ fprintf(fp, "\n%s\n", string);
+ close_file(fp, fullname);
free(ats);
+ free(fullname);
}
-static void
-doabbr(char *const abbr, const char *const format, const char *const letters,
- const int isdst, const int doquotes)
+static char const *
+abbroffset(char *buf, zic_t offset)
+{
+ char sign = '+';
+ int seconds, minutes;
+
+ if (offset < 0) {
+ offset = -offset;
+ sign = '-';
+ }
+
+ seconds = offset % SECSPERMIN;
+ offset /= SECSPERMIN;
+ minutes = offset % MINSPERHOUR;
+ offset /= MINSPERHOUR;
+ if (100 <= offset) {
+ error(_("%%z UTC offset magnitude exceeds 99:59:59"));
+ return "%z";
+ } else {
+ char *p = buf;
+ *p++ = sign;
+ *p++ = '0' + offset / 10;
+ *p++ = '0' + offset % 10;
+ if (minutes | seconds) {
+ *p++ = '0' + minutes / 10;
+ *p++ = '0' + minutes % 10;
+ if (seconds) {
+ *p++ = '0' + seconds / 10;
+ *p++ = '0' + seconds % 10;
+ }
+ }
+ *p = '\0';
+ return buf;
+ }
+}
+
+static size_t
+doabbr(char *abbr, struct zone const *zp, char const *letters,
+ zic_t stdoff, bool doquotes)
{
register char * cp;
register char * slashp;
- register int len;
+ register size_t len;
+ char const *format = zp->z_format;
slashp = strchr(format, '/');
if (slashp == NULL) {
- if (letters == NULL)
- (void) strcpy(abbr, format);
- else (void) sprintf(abbr, format, letters);
- } else if (isdst) {
- (void) strcpy(abbr, slashp + 1);
+ char letterbuf[PERCENT_Z_LEN_BOUND + 1];
+ if (zp->z_format_specifier == 'z')
+ letters = abbroffset(letterbuf, zp->z_gmtoff + stdoff);
+ else if (!letters)
+ letters = "%s";
+ sprintf(abbr, format, letters);
+ } else if (stdoff != 0) {
+ strcpy(abbr, slashp + 1);
} else {
- if (slashp > format)
- (void) strncpy(abbr, format, slashp - format);
+ memcpy(abbr, format, slashp - format);
abbr[slashp - format] = '\0';
}
- if (!doquotes)
- return;
- for (cp = abbr; *cp != '\0'; ++cp)
- if (strchr("ABCDEFGHIJKLMNOPQRSTUVWXYZ", *cp) == NULL &&
- strchr("abcdefghijklmnopqrstuvwxyz", *cp) == NULL)
- break;
len = strlen(abbr);
+ if (!doquotes)
+ return len;
+ for (cp = abbr; is_alpha(*cp); cp++)
+ continue;
if (len > 0 && *cp == '\0')
- return;
+ return len;
abbr[len + 2] = '\0';
abbr[len + 1] = '>';
- for ( ; len > 0; --len)
- abbr[len] = abbr[len - 1];
+ memmove(abbr + 1, abbr, len);
abbr[0] = '<';
+ return len + 2;
}
static void
@@ -1847,11 +1987,12 @@ stringoffset(char *result, zic_t offset)
register int hours;
register int minutes;
register int seconds;
+ bool negative = offset < 0;
+ int len = negative;
- result[0] = '\0';
- if (offset < 0) {
- (void) strcpy(result, "-");
+ if (negative) {
offset = -offset;
+ result[0] = '-';
}
seconds = offset % SECSPERMIN;
offset /= SECSPERMIN;
@@ -1860,15 +2001,15 @@ stringoffset(char *result, zic_t offset)
hours = offset;
if (hours >= HOURSPERDAY * DAYSPERWEEK) {
result[0] = '\0';
- return -1;
+ return 0;
}
- (void) sprintf(end(result), "%d", hours);
+ len += sprintf(result + len, "%d", hours);
if (minutes != 0 || seconds != 0) {
- (void) sprintf(end(result), ":%02d", minutes);
+ len += sprintf(result + len, ":%02d", minutes);
if (seconds != 0)
- (void) sprintf(end(result), ":%02d", seconds);
+ len += sprintf(result + len, ":%02d", seconds);
}
- return 0;
+ return len;
}
static int
@@ -1878,7 +2019,6 @@ stringrule(char *result, const struct rule *const rp, const zic_t dstoff,
register zic_t tod = rp->r_tod;
register int compat = 0;
- result = end(result);
if (rp->r_dycode == DC_DOM) {
register int month, total;
@@ -1889,9 +2029,9 @@ stringrule(char *result, const struct rule *const rp, const zic_t dstoff,
total += len_months[0][month];
/* Omit the "J" in Jan and Feb, as that's shorter. */
if (rp->r_month <= 1)
- (void) sprintf(result, "%d", total + rp->r_dayofmonth - 1);
+ result += sprintf(result, "%d", total + rp->r_dayofmonth - 1);
else
- (void) sprintf(result, "J%d", total + rp->r_dayofmonth);
+ result += sprintf(result, "J%d", total + rp->r_dayofmonth);
} else {
register int week;
register int wday = rp->r_wday;
@@ -1918,16 +2058,16 @@ stringrule(char *result, const struct rule *const rp, const zic_t dstoff,
} else return -1; /* "cannot happen" */
if (wday < 0)
wday += DAYSPERWEEK;
- (void) sprintf(result, "M%d.%d.%d",
- rp->r_month + 1, week, wday);
+ result += sprintf(result, "M%d.%d.%d",
+ rp->r_month + 1, week, wday);
}
if (rp->r_todisgmt)
tod += gmtoff;
if (rp->r_todisstd && rp->r_stdoff == 0)
tod += dstoff;
if (tod != 2 * SECSPERMIN * MINSPERHOUR) {
- (void) strcat(result, "/");
- if (stringoffset(end(result), tod) != 0)
+ *result++ = '/';
+ if (! stringoffset(result, tod))
return -1;
if (tod < 0) {
if (compat < 2013)
@@ -1967,6 +2107,8 @@ stringzone(char *result, const struct zone *const zpfirst, const int zonecount)
register const char * abbrvar;
register int compat = 0;
register int c;
+ size_t len;
+ int offsetlen;
struct rule stdr, dstr;
result[0] = '\0';
@@ -2016,14 +2158,14 @@ stringzone(char *result, const struct zone *const zpfirst, const int zonecount)
dstr.r_dycode = DC_DOM;
dstr.r_dayofmonth = 1;
dstr.r_tod = 0;
- dstr.r_todisstd = dstr.r_todisgmt = FALSE;
+ dstr.r_todisstd = dstr.r_todisgmt = false;
dstr.r_stdoff = stdrp->r_stdoff;
dstr.r_abbrvar = stdrp->r_abbrvar;
stdr.r_month = TM_DECEMBER;
stdr.r_dycode = DC_DOM;
stdr.r_dayofmonth = 31;
stdr.r_tod = SECSPERDAY + stdrp->r_stdoff;
- stdr.r_todisstd = stdr.r_todisgmt = FALSE;
+ stdr.r_todisstd = stdr.r_todisgmt = false;
stdr.r_stdoff = 0;
stdr.r_abbrvar
= (stdabbrrp ? stdabbrrp->r_abbrvar : "");
@@ -2034,30 +2176,36 @@ stringzone(char *result, const struct zone *const zpfirst, const int zonecount)
if (stdrp == NULL && (zp->z_nrules != 0 || zp->z_stdoff != 0))
return -1;
abbrvar = (stdrp == NULL) ? "" : stdrp->r_abbrvar;
- doabbr(result, zp->z_format, abbrvar, FALSE, TRUE);
- if (stringoffset(end(result), -zp->z_gmtoff) != 0) {
+ len = doabbr(result, zp, abbrvar, 0, true);
+ offsetlen = stringoffset(result + len, -zp->z_gmtoff);
+ if (! offsetlen) {
result[0] = '\0';
return -1;
}
+ len += offsetlen;
if (dstrp == NULL)
return compat;
- doabbr(end(result), zp->z_format, dstrp->r_abbrvar, TRUE, TRUE);
- if (dstrp->r_stdoff != SECSPERMIN * MINSPERHOUR)
- if (stringoffset(end(result),
- -(zp->z_gmtoff + dstrp->r_stdoff)) != 0) {
- result[0] = '\0';
- return -1;
- }
- (void) strcat(result, ",");
- c = stringrule(result, dstrp, dstrp->r_stdoff, zp->z_gmtoff);
+ len += doabbr(result + len, zp, dstrp->r_abbrvar, dstrp->r_stdoff, true);
+ if (dstrp->r_stdoff != SECSPERMIN * MINSPERHOUR) {
+ offsetlen = stringoffset(result + len,
+ -(zp->z_gmtoff + dstrp->r_stdoff));
+ if (! offsetlen) {
+ result[0] = '\0';
+ return -1;
+ }
+ len += offsetlen;
+ }
+ result[len++] = ',';
+ c = stringrule(result + len, dstrp, dstrp->r_stdoff, zp->z_gmtoff);
if (c < 0) {
result[0] = '\0';
return -1;
}
if (compat < c)
compat = c;
- (void) strcat(result, ",");
- c = stringrule(result, stdrp, dstrp->r_stdoff, zp->z_gmtoff);
+ len += strlen(result + len);
+ result[len++] = ',';
+ c = stringrule(result + len, stdrp, dstrp->r_stdoff, zp->z_gmtoff);
if (c < 0) {
result[0] = '\0';
return -1;
@@ -2068,28 +2216,28 @@ stringzone(char *result, const struct zone *const zpfirst, const int zonecount)
}
static void
-outzone(const struct zone * const zpfirst, const int zonecount)
+outzone(const struct zone *zpfirst, int zonecount)
{
register const struct zone * zp;
register struct rule * rp;
register int i, j;
- register int usestart, useuntil;
+ register bool usestart, useuntil;
register zic_t starttime, untiltime;
register zic_t gmtoff;
register zic_t stdoff;
register zic_t year;
register zic_t startoff;
- register int startttisstd;
- register int startttisgmt;
+ register bool startttisstd;
+ register bool startttisgmt;
register int type;
register char * startbuf;
register char * ab;
register char * envvar;
register int max_abbr_len;
register int max_envvar_len;
- register int prodstic; /* all rules are min to max */
+ register bool prodstic; /* all rules are min to max */
register int compat;
- register int do_extend;
+ register bool do_extend;
register char version;
max_abbr_len = 2 + max_format_len + max_abbrvar_len;
@@ -2110,8 +2258,8 @@ outzone(const struct zone * const zpfirst, const int zonecount)
** Thanks to Earl Chew
** for noting the need to unconditionally initialize startttisstd.
*/
- startttisstd = FALSE;
- startttisgmt = FALSE;
+ startttisstd = false;
+ startttisgmt = false;
min_year = max_year = EPOCH_YEAR;
if (leapseen) {
updateminmax(leapminyear);
@@ -2128,7 +2276,7 @@ outzone(const struct zone * const zpfirst, const int zonecount)
if (rp->r_hiwasnum)
updateminmax(rp->r_hiyear);
if (rp->r_lowasnum || rp->r_hiwasnum)
- prodstic = FALSE;
+ prodstic = false;
}
}
/*
@@ -2208,14 +2356,13 @@ outzone(const struct zone * const zpfirst, const int zonecount)
startoff = zp->z_gmtoff;
if (zp->z_nrules == 0) {
stdoff = zp->z_stdoff;
- doabbr(startbuf, zp->z_format,
- NULL, stdoff != 0, FALSE);
+ doabbr(startbuf, zp, NULL, stdoff, false);
type = addtype(oadd(zp->z_gmtoff, stdoff),
startbuf, stdoff != 0, startttisstd,
startttisgmt);
if (usestart) {
addtt(starttime, type);
- usestart = FALSE;
+ usestart = false;
} else addtt(big_bang_time, type);
} else for (year = min_year; year <= max_year; ++year) {
if (useuntil && year > zp->z_untilrule.r_hiyear)
@@ -2276,42 +2423,51 @@ outzone(const struct zone * const zpfirst, const int zonecount)
if (k < 0 || jtime < ktime) {
k = j;
ktime = jtime;
+ } else if (jtime == ktime) {
+ char const *dup_rules_msg =
+ _("two rules for same instant");
+ eats(zp->z_filename, zp->z_linenum,
+ rp->r_filename, rp->r_linenum);
+ warning("%s", dup_rules_msg);
+ rp = &zp->z_rules[k];
+ eats(zp->z_filename, zp->z_linenum,
+ rp->r_filename, rp->r_linenum);
+ error("%s", dup_rules_msg);
}
}
if (k < 0)
break; /* go on to next year */
rp = &zp->z_rules[k];
- rp->r_todo = FALSE;
+ rp->r_todo = false;
if (useuntil && ktime >= untiltime)
break;
stdoff = rp->r_stdoff;
if (usestart && ktime == starttime)
- usestart = FALSE;
+ usestart = false;
if (usestart) {
if (ktime < starttime) {
startoff = oadd(zp->z_gmtoff,
stdoff);
- doabbr(startbuf, zp->z_format,
+ doabbr(startbuf, zp,
rp->r_abbrvar,
- rp->r_stdoff != 0,
- FALSE);
+ rp->r_stdoff,
+ false);
continue;
}
if (*startbuf == '\0' &&
startoff == oadd(zp->z_gmtoff,
stdoff)) {
doabbr(startbuf,
- zp->z_format,
+ zp,
rp->r_abbrvar,
- rp->r_stdoff !=
- 0,
- FALSE);
+ rp->r_stdoff,
+ false);
}
}
eats(zp->z_filename, zp->z_linenum,
rp->r_filename, rp->r_linenum);
- doabbr(ab, zp->z_format, rp->r_abbrvar,
- rp->r_stdoff != 0, FALSE);
+ doabbr(ab, zp, rp->r_abbrvar,
+ rp->r_stdoff, false);
offset = oadd(zp->z_gmtoff, rp->r_stdoff);
type = addtype(offset, ab, rp->r_stdoff != 0,
rp->r_todisstd, rp->r_todisgmt);
@@ -2323,7 +2479,7 @@ outzone(const struct zone * const zpfirst, const int zonecount)
zp->z_format != NULL &&
strchr(zp->z_format, '%') == NULL &&
strchr(zp->z_format, '/') == NULL)
- (void) strcpy(startbuf, zp->z_format);
+ strcpy(startbuf, zp->z_format);
eat(zp->z_filename, zp->z_linenum);
if (*startbuf == '\0')
error(_("can't determine time zone abbreviation to use just after until time"));
@@ -2369,7 +2525,7 @@ error(_("can't determine time zone abbreviation to use just after until time"));
if (lastat->at < rpytime(&xr, max_year - 1)) {
/*
** Create new type code for the redundant entry,
- ** to prevent it being optimised away.
+ ** to prevent it being optimized away.
*/
if (typecnt >= TZ_MAX_TYPES) {
error(_("too many local time types"));
@@ -2391,7 +2547,7 @@ error(_("can't determine time zone abbreviation to use just after until time"));
}
static void
-addtt(const zic_t starttime, int type)
+addtt(zic_t starttime, int type)
{
if (starttime <= big_bang_time ||
(timecnt == 1 && attypes[0].at < big_bang_time)) {
@@ -2400,7 +2556,7 @@ addtt(const zic_t starttime, int type)
ttisstds[0] = ttisstds[type];
ttisgmts[0] = ttisgmts[type];
if (abbrinds[type] != 0)
- (void) strcpy(chars, &chars[abbrinds[type]]);
+ strcpy(chars, &chars[abbrinds[type]]);
abbrinds[0] = 0;
charcnt = strlen(chars) + 1;
typecnt = 1;
@@ -2414,23 +2570,10 @@ addtt(const zic_t starttime, int type)
}
static int
-addtype(const zic_t gmtoff, const char *const abbr, const int isdst,
- const int ttisstd, const int ttisgmt)
+addtype(zic_t gmtoff, char const *abbr, bool isdst, bool ttisstd, bool ttisgmt)
{
register int i, j;
- if (isdst != TRUE && isdst != FALSE) {
- error(_("internal error - addtype called with bad isdst"));
- exit(EXIT_FAILURE);
- }
- if (ttisstd != TRUE && ttisstd != FALSE) {
- error(_("internal error - addtype called with bad ttisstd"));
- exit(EXIT_FAILURE);
- }
- if (ttisgmt != TRUE && ttisgmt != FALSE) {
- error(_("internal error - addtype called with bad ttisgmt"));
- exit(EXIT_FAILURE);
- }
/*
** See if there's already an entry for this zone type.
** If so, just return its index.
@@ -2470,7 +2613,7 @@ addtype(const zic_t gmtoff, const char *const abbr, const int isdst,
}
static void
-leapadd(const zic_t t, const int positive, const int rolling, int count)
+leapadd(zic_t t, bool positive, int rolling, int count)
{
register int i, j;
@@ -2514,64 +2657,106 @@ adjleap(void)
}
}
-static int
-yearistype(const int year, const char *const type)
+static bool
+yearistype(int year, const char *type)
{
static char * buf;
int result;
if (type == NULL || *type == '\0')
- return TRUE;
+ return true;
buf = erealloc(buf, 132 + strlen(yitcommand) + strlen(type));
- (void) sprintf(buf, "%s %d %s", yitcommand, year, type);
+ sprintf(buf, "%s %d %s", yitcommand, year, type);
result = system(buf);
if (WIFEXITED(result)) switch (WEXITSTATUS(result)) {
case 0:
- return TRUE;
+ return true;
case 1:
- return FALSE;
+ return false;
}
error(_("Wild result from command execution"));
- (void) fprintf(stderr, _("%s: command was '%s', result was %d\n"),
+ fprintf(stderr, _("%s: command was '%s', result was %d\n"),
progname, buf, result);
for ( ; ; )
exit(EXIT_FAILURE);
}
-static int
-lowerit(int a)
+/* Is A a space character in the C locale? */
+static bool
+is_space(char a)
+{
+ switch (a) {
+ default:
+ return false;
+ case ' ': case '\f': case '\n': case '\r': case '\t': case '\v':
+ return true;
+ }
+}
+
+/* Is A an alphabetic character in the C locale? */
+static bool
+is_alpha(char a)
{
- a = (unsigned char) a;
- return (isascii(a) && isupper(a)) ? tolower(a) : a;
+ switch (a) {
+ default:
+ return false;
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
+ case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
+ case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
+ case 'V': case 'W': case 'X': case 'Y': case 'Z':
+ case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
+ case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
+ case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
+ case 'v': case 'w': case 'x': case 'y': case 'z':
+ return true;
+ }
+}
+
+/* If A is an uppercase character in the C locale, return its lowercase
+ counterpart. Otherwise, return A. */
+static char
+lowerit(char a)
+{
+ switch (a) {
+ default: return a;
+ case 'A': return 'a'; case 'B': return 'b'; case 'C': return 'c';
+ case 'D': return 'd'; case 'E': return 'e'; case 'F': return 'f';
+ case 'G': return 'g'; case 'H': return 'h'; case 'I': return 'i';
+ case 'J': return 'j'; case 'K': return 'k'; case 'L': return 'l';
+ case 'M': return 'm'; case 'N': return 'n'; case 'O': return 'o';
+ case 'P': return 'p'; case 'Q': return 'q'; case 'R': return 'r';
+ case 'S': return 's'; case 'T': return 't'; case 'U': return 'u';
+ case 'V': return 'v'; case 'W': return 'w'; case 'X': return 'x';
+ case 'Y': return 'y'; case 'Z': return 'z';
+ }
}
/* case-insensitive equality */
-static ATTRIBUTE_PURE int
+static ATTRIBUTE_PURE bool
ciequal(register const char *ap, register const char *bp)
{
while (lowerit(*ap) == lowerit(*bp++))
if (*ap++ == '\0')
- return TRUE;
- return FALSE;
+ return true;
+ return false;
}
-static ATTRIBUTE_PURE int
+static ATTRIBUTE_PURE bool
itsabbr(register const char *abbr, register const char *word)
{
if (lowerit(*abbr) != lowerit(*word))
- return FALSE;
+ return false;
++word;
while (*++abbr != '\0')
do {
if (*word == '\0')
- return FALSE;
+ return false;
} while (lowerit(*word++) != lowerit(*abbr));
- return TRUE;
+ return true;
}
static ATTRIBUTE_PURE const struct lookup *
-byword(register const char *const word,
- register const struct lookup *const table)
+byword(const char *word, const struct lookup *table)
{
register const struct lookup * foundlp;
register const struct lookup * lp;
@@ -2609,8 +2794,7 @@ getfields(register char *cp)
array = emalloc(size_product(strlen(cp) + 1, sizeof *array));
nsubs = 0;
for ( ; ; ) {
- while (isascii((unsigned char) *cp) &&
- isspace((unsigned char) *cp))
+ while (is_space(*cp))
++cp;
if (*cp == '\0' || *cp == '#')
break;
@@ -2627,9 +2811,8 @@ getfields(register char *cp)
));
exit(1);
}
- } while (*cp != '\0' && *cp != '#' &&
- (!isascii(*cp) || !isspace((unsigned char) *cp)));
- if (isascii(*cp) && isspace((unsigned char) *cp))
+ } while (*cp && *cp != '#' && !is_space(*cp));
+ if (is_space(*cp))
++cp;
*dp = '\0';
}
@@ -2637,37 +2820,47 @@ getfields(register char *cp)
return array;
}
+static _Noreturn void
+time_overflow(void)
+{
+ error(_("time overflow"));
+ exit(EXIT_FAILURE);
+}
+
static ATTRIBUTE_PURE zic_t
-oadd(const zic_t t1, const zic_t t2)
+oadd(zic_t t1, zic_t t2)
{
- if (t1 < 0 ? t2 < ZIC_MIN - t1 : ZIC_MAX - t1 < t2) {
- error(_("time overflow"));
- exit(EXIT_FAILURE);
- }
+ if (t1 < 0 ? t2 < ZIC_MIN - t1 : ZIC_MAX - t1 < t2)
+ time_overflow();
return t1 + t2;
}
static ATTRIBUTE_PURE zic_t
-tadd(const zic_t t1, const zic_t t2)
+tadd(zic_t t1, zic_t t2)
{
- if (t1 == max_time && t2 > 0)
- return max_time;
- if (t1 == min_time && t2 < 0)
- return min_time;
- if (t1 < 0 ? t2 < min_time - t1 : max_time - t1 < t2) {
- error(_("time overflow"));
- exit(EXIT_FAILURE);
- }
- return t1 + t2;
+ if (t1 < 0) {
+ if (t2 < min_time - t1) {
+ if (t1 != min_time)
+ time_overflow();
+ return min_time;
+ }
+ } else {
+ if (max_time - t1 < t2) {
+ if (t1 != max_time)
+ time_overflow();
+ return max_time;
+ }
+ }
+ return t1 + t2;
}
/*
-** Given a rule, and a year, compute the date - in seconds since January 1,
-** 1970, 00:00 LOCAL time - in that year that the rule refers to.
+** Given a rule, and a year, compute the date (in seconds since January 1,
+** 1970, 00:00 LOCAL time) in that year that the rule refers to.
*/
static zic_t
-rpytime(register const struct rule *const rp, register const zic_t wantedy)
+rpytime(const struct rule *rp, zic_t wantedy)
{
register int m, i;
register zic_t dayoff; /* with a nod to Margaret O. */
@@ -2735,7 +2928,7 @@ rpytime(register const struct rule *const rp, register const zic_t wantedy)
}
if (i < 0 || i >= len_months[isleap(y)][m]) {
if (noise)
- warning(_("rule goes past start/end of month--\
+ warning(_("rule goes past start/end of month; \
will not work with pre-2004 versions of zic"));
}
}
@@ -2748,7 +2941,7 @@ will not work with pre-2004 versions of zic"));
}
static void
-newabbr(const char *const string)
+newabbr(const char *string)
{
register int i;
@@ -2756,29 +2949,15 @@ newabbr(const char *const string)
register const char * cp;
const char * mp;
- /*
- ** Want one to ZIC_MAX_ABBR_LEN_WO_WARN alphabetics
- ** optionally followed by a + or - and a number from 1 to 14.
- */
cp = string;
mp = NULL;
- while (isascii((unsigned char) *cp) &&
- isalpha((unsigned char) *cp))
+ while (is_alpha(*cp) || ('0' <= *cp && *cp <= '9')
+ || *cp == '-' || *cp == '+')
++cp;
- if (cp - string == 0)
-mp = _("time zone abbreviation lacks alphabetic at start");
if (noise && cp - string < 3)
-mp = _("time zone abbreviation has fewer than 3 alphabetics");
+ mp = _("time zone abbreviation has fewer than 3 characters");
if (cp - string > ZIC_MAX_ABBR_LEN_WO_WARN)
-mp = _("time zone abbreviation has too many alphabetics");
- if (mp == NULL && (*cp == '+' || *cp == '-')) {
- ++cp;
- if (isascii((unsigned char) *cp) &&
- isdigit((unsigned char) *cp))
- if (*cp++ == '1' &&
- *cp >= '0' && *cp <= '4')
- ++cp;
- }
+ mp = _("time zone abbreviation has too many characters");
if (*cp != '\0')
mp = _("time zone abbreviation differs from POSIX standard");
if (mp != NULL)
@@ -2789,18 +2968,18 @@ mp = _("time zone abbreviation differs from POSIX standard");
error(_("too many, or too long, time zone abbreviations"));
exit(EXIT_FAILURE);
}
- (void) strcpy(&chars[charcnt], string);
+ strcpy(&chars[charcnt], string);
charcnt += i;
}
-static int
+static bool
mkdirs(char *argname)
{
register char * name;
register char * cp;
if (argname == NULL || *argname == '\0')
- return 0;
+ return true;
cp = name = ecpyalloc(argname);
while ((cp = strchr(cp + 1, '/')) != 0) {
*cp = '\0';
@@ -2808,37 +2987,29 @@ mkdirs(char *argname)
/*
** DOS drive specifier?
*/
- if (isalpha((unsigned char) name[0]) &&
- name[1] == ':' && name[2] == '\0') {
+ if (is_alpha(name[0]) && name[1] == ':' && name[2] == '\0') {
*cp = '/';
continue;
}
#endif
- if (!itsdir(name)) {
- /*
- ** It doesn't seem to exist, so we try to create it.
- ** Creation may fail because of the directory being
- ** created by some other multiprocessor, so we get
- ** to do extra checking.
- */
- if (mkdir(name, MKDIR_UMASK) != 0) {
- const char *e = strerror(errno);
-
- if (errno != EEXIST || !itsdir(name)) {
- (void) fprintf(stderr,
-_("%s: Can't create directory %s: %s\n"),
- progname, name, e);
- free(name);
- return -1;
- }
+ /*
+ ** Try to create it. It's OK if creation fails because
+ ** the directory already exists, perhaps because some
+ ** other process just created it.
+ */
+ if (mkdir(name, MKDIR_UMASK) != 0) {
+ int err = errno;
+ if (itsdir(name) <= 0) {
+ char const *e = strerror(err);
+ warning(_("%s: Can't create directory"
+ " %s: %s"),
+ progname, name, e);
+ free(name);
+ return false;
}
}
*cp = '/';
}
free(name);
- return 0;
+ return true;
}
-
-/*
-** UNIX was a registered trademark of The Open Group in 2003.
-*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 03:39:25 +0000