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Diffstat (limited to 'catgets/open_catalog.c')
-rw-r--r--catgets/open_catalog.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/catgets/open_catalog.c b/catgets/open_catalog.c
index e069416..9f4d776 100644
--- a/catgets/open_catalog.c
+++ b/catgets/open_catalog.c
@@ -47,6 +47,7 @@ __open_catalog (const char *cat_name, const char *nlspath, const char *env_var,
size_t tab_size;
const char *lastp;
int result = -1;
+ char *buf = NULL;
if (strchr (cat_name, '/') != NULL || nlspath == NULL)
fd = open_not_cancel_2 (cat_name, O_RDONLY);
@@ -57,23 +58,23 @@ __open_catalog (const char *cat_name, const char *nlspath, const char *env_var,
if (__glibc_unlikely (bufact + (n) >= bufmax)) \
{ \
char *old_buf = buf; \
- bufmax += 256 + (n); \
- buf = (char *) alloca (bufmax); \
- memcpy (buf, old_buf, bufact); \
+ bufmax += (bufmax < 256 + (n)) ? 256 + (n) : bufmax; \
+ buf = realloc (buf, bufmax); \
+ if (__glibc_unlikely (buf == NULL)) \
+ { \
+ free (old_buf); \
+ return -1; \
+ } \
}
/* The RUN_NLSPATH variable contains a colon separated list of
descriptions where we expect to find catalogs. We have to
recognize certain % substitutions and stop when we found the
first existing file. */
- char *buf;
size_t bufact;
- size_t bufmax;
+ size_t bufmax = 0;
size_t len;
- buf = NULL;
- bufmax = 0;
-
fd = -1;
while (*run_nlspath != '\0')
{
@@ -188,7 +189,10 @@ __open_catalog (const char *cat_name, const char *nlspath, const char *env_var,
/* Avoid dealing with directories and block devices */
if (__builtin_expect (fd, 0) < 0)
- return -1;
+ {
+ free (buf);
+ return -1;
+ }
if (__builtin_expect (__fxstat64 (_STAT_VER, fd, &st), 0) < 0)
goto close_unlock_return;
@@ -325,6 +329,7 @@ __open_catalog (const char *cat_name, const char *nlspath, const char *env_var,
/* Release the lock again. */
close_unlock_return:
close_not_cancel_no_status (fd);
+ free (buf);
return result;
}