diff options
Diffstat (limited to 'malloc/mtrace.c')
| -rw-r--r-- | malloc/mtrace.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/malloc/mtrace.c b/malloc/mtrace.c index 8dd711a3a7..d15569c9d6 100644 --- a/malloc/mtrace.c +++ b/malloc/mtrace.c @@ -32,14 +32,11 @@ #include <stdio.h> #include <string.h> - -#ifndef __GNU_LIBRARY__ -extern char *getenv (); -#else #include <stdlib.h> -#endif -#if defined _LIBC && defined USE_IN_LIBIO +#include <stdio-common/_itoa.h> + +#ifdef USE_IN_LIBIO # include <libio/iolibio.h> # define setvbuf(s, b, f, l) _IO_setvbuf (s, b, f, l) #endif @@ -99,14 +96,19 @@ tr_where (caller) char *buf = (char *) ""; if (info.dli_sname && info.dli_sname[0]) { - size_t len = strlen (info.dli_sname) + 22; - buf = alloca (len); - if (caller >= (const __ptr_t) info.dli_saddr) - snprintf (buf, len, "(%s+0x%x)", info.dli_sname, - caller - (const __ptr_t) info.dli_saddr); - else - snprintf (buf, len, "(%s-0x%x)", info.dli_sname, - (const __ptr_t) info.dli_saddr - caller); + size_t len = strlen (info.dli_sname); + buf = alloca (len + 6 + 2 * sizeof (void *)); + + buf[0] = '('; + __stpcpy (_fitoa (caller >= (const __ptr_t) info.dli_saddr + ? caller - (const __ptr_t) info.dli_saddr + : (const __ptr_t) info.dli_saddr - caller, + __stpcpy (__mempcpy (buf + 1, info.dli_sname, + len), + caller >= (__ptr_t) info.dli_saddr + ? "+0x" : "-0x"), + 16, 0), + ")"); } fprintf (mallstream, "@ %s%s%s[%p] ", |