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make-relative-prefix.c (make_relative_prefix_1): Resource leaks.

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2007-08-17  Michael Snyder  <msnyder@access-company.com>
* make-relative-prefix.c (make_relative_prefix_1): Resource leaks.

From-SVN: r127595
This commit is contained in:
Michael Snyder 2007-08-17 19:28:22 +00:00 • committed by DJ Delorie
parent 2ce6c6cb33
commit 9c79ad8bf8
2 changed files with 18 additions and 27 deletions
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4
libiberty/ChangeLog
View file

@ -1,3 +1,7 @@
2007-08-17 Michael Snyder <msnyder@access-company.com>
* make-relative-prefix.c (make_relative_prefix_1): Resource leaks.
2007-08-03 Michael Snyder <msnyder@access-company.com>
* make-relative-prefix.c (make_relative_prefix_1): Fix resource

41
libiberty/make-relative-prefix.c
View file

@ -201,10 +201,13 @@ free_split_directories (char **dirs)
{
int i = 0;
while (dirs[i] != NULL)
free (dirs[i++]);
if (dirs != NULL)
{
while (dirs[i] != NULL)
free (dirs[i++]);
free ((char *) dirs);
free ((char *) dirs);
}
}
/* Given three strings PROGNAME, BIN_PREFIX, PREFIX, return a string that gets
@ -221,11 +224,11 @@ static char *
make_relative_prefix_1 (const char *progname, const char *bin_prefix,
const char *prefix, const int resolve_links)
{
char **prog_dirs, **bin_dirs, **prefix_dirs;
char **prog_dirs = NULL, **bin_dirs = NULL, **prefix_dirs = NULL;
int prog_num, bin_num, prefix_num;
int i, n, common;
int needed_len;
char *ret, *ptr, *full_progname = NULL;
char *ret = NULL, *ptr, *full_progname;
if (progname == NULL || bin_prefix == NULL || prefix == NULL)
return NULL;
@ -305,10 +308,7 @@ make_relative_prefix_1 (const char *progname, const char *bin_prefix,
bin_dirs = split_directories (bin_prefix, &bin_num);
if (bin_dirs == NULL)
{
free_split_directories (prog_dirs);
return NULL;
}
goto bailout;
/* Remove the program name from comparison of directory names. */
prog_num--;
@ -326,21 +326,12 @@ make_relative_prefix_1 (const char *progname, const char *bin_prefix,
}
if (prog_num <= 0 || i == bin_num)
{
free_split_directories (prog_dirs);
free_split_directories (bin_dirs);
prog_dirs = bin_dirs = (char **) 0;
return NULL;
}
goto bailout;
}
prefix_dirs = split_directories (prefix, &prefix_num);
if (prefix_dirs == NULL)
{
free_split_directories (prog_dirs);
free_split_directories (bin_dirs);
return NULL;
}
goto bailout;
/* Find how many directories are in common between bin_prefix & prefix. */
n = (prefix_num < bin_num) ? prefix_num : bin_num;
@ -352,12 +343,7 @@ make_relative_prefix_1 (const char *progname, const char *bin_prefix,
/* If there are no common directories, there can be no relative prefix. */
if (common == 0)
{
free_split_directories (prog_dirs);
free_split_directories (bin_dirs);
free_split_directories (prefix_dirs);
return NULL;
}
goto bailout;
/* Two passes: first figure out the size of the result string, and
then construct it. */
@ -371,7 +357,7 @@ make_relative_prefix_1 (const char *progname, const char *bin_prefix,
ret = (char *) malloc (needed_len);
if (ret == NULL)
return NULL;
goto bailout;
/* Build up the pathnames in argv[0]. */
*ret = '\0';
@ -392,6 +378,7 @@ make_relative_prefix_1 (const char *progname, const char *bin_prefix,
for (i = common; i < prefix_num; i++)
strcat (ret, prefix_dirs[i]);
bailout:
free_split_directories (prog_dirs);
free_split_directories (bin_dirs);
free_split_directories (prefix_dirs);