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mountinfo: create strings with xasprintf

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This commit is contained in:
William Hubbs 2018-02-14 16:56:19 -06:00
parent 74cfb455c5
commit 7b4879cb72
1 changed files with 11 additions and 10 deletions
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21
src/rc/mountinfo.c
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@ -248,7 +248,6 @@ find_mounts(struct args *args)
struct opt *o;
int netdev;
char *tmp;
size_t l;
if ((nmnts = getmntinfo(&mnts, MNT_NOWAIT)) == 0)
eerrorx("getmntinfo: %s", strerror (errno));
@ -264,11 +263,7 @@ find_mounts(struct args *args)
if (! options)
options = xstrdup(o->o_name);
else {
l = strlen(options) +
strlen(o->o_name) + 2;
tmp = xmalloc(sizeof (char) * l);
snprintf(tmp, l, "%s,%s", options,
o->o_name);
xasprintf(&tmp, "%s,%s", options, o->o_name);
free(options);
options = tmp;
}
@ -315,6 +310,7 @@ find_mounts(struct args *args)
{
FILE *fp;
char *buffer;
size_t size;
char *p;
char *from;
char *to;
@ -329,8 +325,8 @@ find_mounts(struct args *args)
list = rc_stringlist_new();
buffer = xmalloc(sizeof(char) * PATH_MAX * 3);
while (fgets(buffer, PATH_MAX * 3, fp)) {
buffer = NULL;
while (getline(&buffer, &size, fp) != -1) {
netdev = -1;
p = buffer;
from = strsep(&p, " ");
@ -346,6 +342,8 @@ find_mounts(struct args *args)
}
process_mount(list, args, from, to, fst, opts, netdev);
free(buffer);
buffer = NULL;
}
free(buffer);
fclose(fp);
@ -380,7 +378,7 @@ int main(int argc, char **argv)
regex_t *skip_point_regex = NULL;
RC_STRINGLIST *nodes;
RC_STRING *s;
char real_path[PATH_MAX + 1];
char *real_path = NULL;
int opt;
int result;
char *this_path;
@ -450,9 +448,12 @@ int main(int argc, char **argv)
eerrorx("%s: `%s' is not a mount point",
argv[0], argv[optind]);
this_path = argv[optind++];
if (realpath(this_path, real_path))
real_path = realpath(this_path, NULL);
if (real_path)
this_path = real_path;
rc_stringlist_add(args.mounts, this_path);
free(real_path);
real_path = NULL;
}
nodes = find_mounts(&args);
rc_stringlist_free(args.mounts);