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svn_rev_441 

add errno_str()
This commit is contained in:
Sascha Hauer 2007-07-05 18:01:54 +02:00 committed by Sascha Hauer
parent be8b9a1abb
commit 5335912a97
1 changed files with 16 additions and 6 deletions
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22
common/misc.c
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@ -14,9 +14,6 @@ void mem_malloc_init (void *start, void *end)
mem_malloc_start = (ulong)start;
mem_malloc_end = (ulong)end;
mem_malloc_brk = mem_malloc_start;
memset ((void *) mem_malloc_start, 0,
mem_malloc_end - mem_malloc_start);
}
void *sbrk (ptrdiff_t increment)
@ -34,7 +31,11 @@ void *sbrk (ptrdiff_t increment)
int errno;
void perror(const char *s)
#ifndef CONFIG_ERRNO_MESSAGES
static char errno_str[5];
#endif
const char *errno_str(void)
{
#ifdef CONFIG_ERRNO_MESSAGES
char *str;
@ -104,9 +105,18 @@ void perror(const char *s)
default : str = "unknown error"; break;
};
printf("%s: %s\n", s, str);
return str;
#else
sprintf(errno_str, "%d", errno);
return errno_str;
#endif
}
void perror(const char *s)
{
#ifdef CONFIG_ERRNO_MESSAGES
printf("%s: %s\n", s, errno_str());
#else
printf("%s returned with %d\n", s, errno);
#endif
}