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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /time/ialloc.c
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initial import
Diffstat (limited to 'time/ialloc.c')
-rw-r--r--time/ialloc.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/time/ialloc.c b/time/ialloc.c
new file mode 100644
index 0000000000..d6a1b22b0e
--- /dev/null
+++ b/time/ialloc.c
@@ -0,0 +1,103 @@
+#ifndef lint
+#ifndef NOID
+static char elsieid[] = "@(#)ialloc.c 8.24";
+#endif /* !defined NOID */
+#endif /* !defined lint */
+
+/*LINTLIBRARY*/
+
+#include "private.h"
+
+#ifdef MAL
+#define NULLMAL(x) ((x) == NULL || (x) == MAL)
+#endif /* defined MAL */
+#ifndef MAL
+#define NULLMAL(x) ((x) == NULL)
+#endif /* !defined MAL */
+
+#define nonzero(n) (((n) == 0) ? 1 : (n))
+
+char * icalloc P((int nelem, int elsize));
+char * icatalloc P((char * old, const char * new));
+char * icpyalloc P((const char * string));
+char * imalloc P((int n));
+void * irealloc P((void * pointer, int size));
+void ifree P((char * pointer));
+
+char *
+imalloc(n)
+const int n;
+{
+#ifdef MAL
+ register char * result;
+
+ result = malloc((alloc_size_T) nonzero(n));
+ return NULLMAL(result) ? NULL : result;
+#endif /* defined MAL */
+#ifndef MAL
+ return malloc((alloc_size_T) nonzero(n));
+#endif /* !defined MAL */
+}
+
+char *
+icalloc(nelem, elsize)
+int nelem;
+int elsize;
+{
+ if (nelem == 0 || elsize == 0)
+ nelem = elsize = 1;
+ return calloc((alloc_size_T) nelem, (alloc_size_T) elsize);
+}
+
+void *
+irealloc(pointer, size)
+void * const pointer;
+const int size;
+{
+ if (NULLMAL(pointer))
+ return imalloc(size);
+ return realloc((genericptr_T) pointer, (alloc_size_T) nonzero(size));
+}
+
+char *
+icatalloc(old, new)
+char * const old;
+const char * const new;
+{
+ register char * result;
+ register int oldsize, newsize;
+
+ newsize = NULLMAL(new) ? 0 : strlen(new);
+ if (NULLMAL(old))
+ oldsize = 0;
+ else if (newsize == 0)
+ return old;
+ else oldsize = strlen(old);
+ if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
+ if (!NULLMAL(new))
+ (void) strcpy(result + oldsize, new);
+ return result;
+}
+
+char *
+icpyalloc(string)
+const char * const string;
+{
+ return icatalloc((char *) NULL, string);
+}
+
+void
+ifree(p)
+char * const p;
+{
+ if (!NULLMAL(p))
+ (void) free(p);
+}
+
+void
+icfree(p)
+char * const p;
+{
+ if (!NULLMAL(p))
+ (void) free(p);
+}