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| author | Masami Hiramatsu <mhiramat@redhat.com> | 2008-05-07 19:23:18 -0400 |
|---|---|---|
| committer | Masami Hiramatsu <mhiramat@redhat.com> | 2008-05-07 19:23:18 -0400 |
| commit | 56d9a530202979fed9544131aa2e53bf2da0c7de (patch) | |
| tree | 3a3b97cf20f57a98c76e40015153aa4c54ca2121 /runtime/vsprintf.c | |
| parent | 100ae9d775be39068b7918f7d8c1079d254494eb (diff) | |
| download | systemtap-steved-56d9a530202979fed9544131aa2e53bf2da0c7de.tar.gz systemtap-steved-56d9a530202979fed9544131aa2e53bf2da0c7de.tar.xz systemtap-steved-56d9a530202979fed9544131aa2e53bf2da0c7de.zip | |
PR5648: Fix memcpy's endianess issue.
Diffstat (limited to 'runtime/vsprintf.c')
| -rw-r--r-- | runtime/vsprintf.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/runtime/vsprintf.c b/runtime/vsprintf.c index dcaa1bc3..4ffcf72e 100644 --- a/runtime/vsprintf.c +++ b/runtime/vsprintf.c @@ -248,6 +248,11 @@ int _stp_vsnprintf(char *buf, size_t size, const char *fmt, va_list args) ++str; } } +#ifdef __ia64__ + if ((str + precision - 1) <= end) + memcpy(str, &num, precision); //to prevent unaligned access + str += precision; +#else switch(precision) { case 1: if(str <= end) @@ -256,21 +261,22 @@ int _stp_vsnprintf(char *buf, size_t size, const char *fmt, va_list args) break; case 2: if((str + 1) <= end) - memcpy(str, &num, 2); + *(int16_t *)str = (int16_t)num; str+=2; break; case 4: if((str + 3) <= end) - memcpy(str, &num, 4); + *(int32_t *)str = num; str+=4; break; default: // "%.8b" by default case 8: if((str + 7) <= end) - memcpy(str, &num, 8); + *(int64_t *)str = num; str+=8; break; } +#endif while (len < field_width--) { if (str <= end) *str = '\0'; |