diff options
| author | Andreas Baumann <abaumann@yahoo.com> | 2009-02-16 17:03:31 +0100 |
|---|---|---|
| committer | Andreas Baumann <abaumann@yahoo.com> | 2009-02-16 17:03:31 +0100 |
| commit | a10602d7b29336460e50bd50d683321595f0aada (patch) | |
| tree | 0e7d50881d57cc807e27d3d25335f4d02635c33f /src/port/string.c | |
| parent | ee34e214a4f35439885fc797dd84bbf8f629c20e (diff) | |
| download | wolfbones-a10602d7b29336460e50bd50d683321595f0aada.tar.gz wolfbones-a10602d7b29336460e50bd50d683321595f0aada.tar.bz2 | |
strerror_r tests shows how we can leave libwolf.a sane and test the original and the stub function
Diffstat (limited to 'src/port/string.c')
| -rw-r--r-- | src/port/string.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/port/string.c b/src/port/string.c index a87a1a2..20e2bed 100644 --- a/src/port/string.c +++ b/src/port/string.c @@ -42,7 +42,7 @@ extern int dummy; /* prevent ISO C forbids an empty source file' warning */ /** * strerror_r exists in various fassions (XSI and GNU flavour in glibc). We stick to - * the API of POSIX1 of course.. + * the API of POSIX.1 of course (XSI-compliant).. */ #if !defined HAVE_STRERROR_R @@ -56,6 +56,10 @@ int wolf_strerror_r( int num, char *buf, size_t buflen ) { int len; msg = strerror( num ); + /* TODO: can we detect illegal error numbers? For sure on Linux NULL + * is never returned and a strcmp with prefix "Unknown error" or similar + * is not really acceptable. + */ if( msg == NULL ) { len = snprintf( buf, buflen, "Unknown error %d", num ); errno = EINVAL; |