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| author | Corinna Vinschen <corinna@vinschen.de> | 2007-05-29 07:49:14 +0000 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2007-05-29 07:49:14 +0000 |
| commit | 76a2ee78b6840b23c54cf9239027014e06ae3818 (patch) | |
| tree | 0097bc604801a79877ac9720873fddcb2c0be927 /newlib/libc/argz/argz_append.c | |
| parent | d74d6b17cd62a9d475b29a02d373112006aa2956 (diff) | |
| download | cygnal-76a2ee78b6840b23c54cf9239027014e06ae3818.tar.gz cygnal-76a2ee78b6840b23c54cf9239027014e06ae3818.tar.bz2 cygnal-76a2ee78b6840b23c54cf9239027014e06ae3818.zip | |
* libc/argz/argz_add_sep.c (argz_add_sep): Handle empty string
argument.
* libc/argz/argz_append.c (argz_append): Handle empty buf argument.
* libc/argz/argz_create_sep.c (argz_create_sep): Return (NULL, 0)
on empty input strings.
* libc/argz/argz_extract.c (argz_extract): Check argz_len before
looping through argz.
* libc/argz/argz_stringify.c (argz_stringify): Ditto.
Diffstat (limited to 'newlib/libc/argz/argz_append.c')
| -rw-r--r-- | newlib/libc/argz/argz_append.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/newlib/libc/argz/argz_append.c b/newlib/libc/argz/argz_append.c index 7519e1608..75d5c9315 100644 --- a/newlib/libc/argz/argz_append.c +++ b/newlib/libc/argz/argz_append.c @@ -16,13 +16,16 @@ _DEFUN (argz_append, (argz, argz_len, buf, buf_len), const char *buf _AND size_t buf_len) { - size_t last = *argz_len; + if (buf_len) + { + size_t last = *argz_len; - *argz_len += buf_len; + *argz_len += buf_len; - if(!(*argz = (char *)realloc(*argz, *argz_len))) - return ENOMEM; + if(!(*argz = (char *)realloc(*argz, *argz_len))) + return ENOMEM; - memcpy(*argz + last, buf, buf_len); + memcpy(*argz + last, buf, buf_len); + } return 0; } |