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handle null arguments to legacy bsd err.h functions

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This commit is contained in:
Rich Felker 2012-08-15 22:35:02 -04:00
parent 3f80afc505
commit dc82ee4e30
1 changed files with 2 additions and 2 deletions
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4
src/linux/err.c
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@ -5,13 +5,13 @@
void vwarn(const char *fmt, va_list ap) void vwarn(const char *fmt, va_list ap)
{ {
vfprintf(stderr, fmt, ap); if (fmt) vfprintf(stderr, fmt, ap);
perror(""); perror("");
} }
void vwarnx(const char *fmt, va_list ap) void vwarnx(const char *fmt, va_list ap)
{ {
vfprintf(stderr, fmt, ap); if (fmt) vfprintf(stderr, fmt, ap);
putc('\n', stderr); putc('\n', stderr);
} }