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util: introduce readlink_and_make_absolute()
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@ -1160,7 +1160,7 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
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* reached by a symlink. The old string will be freed. */
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for (;;) {
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char *target, *k, *name;
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char *target, *name;
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if (c++ >= FOLLOW_MAX)
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return -ELOOP;
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@ -1189,17 +1189,11 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
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return -errno;
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/* Hmm, so this is a symlink. Let's read the name, and follow it manually */
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if ((r = readlink_malloc(*filename, &target)) < 0)
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if ((r = readlink_and_make_absolute(*filename, &target)) < 0)
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return r;
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k = file_in_same_dir(*filename, target);
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free(target);
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if (!k)
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return -ENOMEM;
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free(*filename);
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*filename = k;
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*filename = target;
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}
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if (!(f = fdopen(fd, "r"))) {
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20
src/util.c
20
src/util.c
@ -582,6 +582,26 @@ int readlink_malloc(const char *p, char **r) {
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}
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}
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int readlink_and_make_absolute(const char *p, char **r) {
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char *target, *k;
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int j;
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assert(p);
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assert(r);
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if ((j = readlink_malloc(p, &target)) < 0)
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return j;
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k = file_in_same_dir(p, target);
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free(target);
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if (!k)
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return -ENOMEM;
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*r = k;
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return 0;
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}
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char *file_name_from_path(const char *p) {
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char *r;
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@ -139,6 +139,7 @@ int read_one_line_file(const char *fn, char **line);
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char *strappend(const char *s, const char *suffix);
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int readlink_malloc(const char *p, char **r);
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int readlink_and_make_absolute(const char *p, char **r);
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char *file_name_from_path(const char *p);
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bool is_path(const char *p);
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