diff options
| author | Roland McGrath <roland@gnu.org> | 1995-07-25 14:47:53 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1995-07-25 14:47:53 +0000 |
| commit | 874f1b9bd817c0fa7e9fb231ec2e377c819d73a4 (patch) | |
| tree | 28683317a46c9e0bea67039e80401fb82ab24e85 /stdio | |
| parent | 51813e8065f8b03c09ceca85eaada73645096d26 (diff) | |
| download | glibc-874f1b9bd817c0fa7e9fb231ec2e377c819d73a4.tar.gz | |
Tue Jul 25 09:14:53 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* stdio/vfprintf.c (vfprintf): For %s with precision spec, use
memchr instead of strlen to limit search for NUL by precision.
Diffstat (limited to 'stdio')
| -rw-r--r-- | stdio/vfprintf.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/stdio/vfprintf.c b/stdio/vfprintf.c index 056ea32bee..1246229a63 100644 --- a/stdio/vfprintf.c +++ b/stdio/vfprintf.c @@ -531,13 +531,24 @@ vfprintf (s, format, ap) len = 0; } } - else - len = strlen (str); + else if (specs[cnt].info.prec != -1) + { + const char *end = memchr (str, '\0', specs[cnt].info.prec); + if (end) + len = end - str; + else + len = strlen (str); + } + else + { + len = strlen (str); + + if (specs[cnt].info.prec != -1 + && (size_t) specs[cnt].info.prec < len) + /* Limit the length to the precision. */ + len = specs[cnt].info.prec; + } - if (specs[cnt].info.prec != -1 - && (size_t) specs[cnt].info.prec < len) - /* Limit the length to the precision. */ - len = specs[cnt].info.prec; specs[cnt].info.width -= len; if (!specs[cnt].info.left) |