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Replace sprintf with snprintf

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This commit is contained in:
o9000
2017-12-21 11:22:11 +01:00
parent 6bf72a030a
commit c96201930b
9 changed files with 67 additions and 54 deletions
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21
src/launcher/apps-common.c
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@@ -60,9 +60,9 @@ void expand_exec(DesktopEntry *entry, const char *path)
// %c -> Name
// %k -> path
if (entry->exec) {
char *exec2 = calloc(strlen(entry->exec) + (entry->name ? strlen(entry->name) : 1) +
(entry->icon ? strlen(entry->icon) : 1) + 100,
1);
size_t buf_size = strlen(entry->exec) + (entry->name ? strlen(entry->name) : 1) +
(entry->icon ? strlen(entry->icon) : 1) + 100;
char *exec2 = calloc(buf_size, 1);
char *p, *q;
// p will never point to an escaped char
for (p = entry->exec, q = exec2; *p; p++, q++) {
@@ -82,23 +82,30 @@ void expand_exec(DesktopEntry *entry, const char *path)
if (!*p)
break;
if (*p == 'i' && entry->icon != NULL) {
sprintf(q, "--icon '%s'", entry->icon);
snprintf(q, buf_size, "--icon '%s'", entry->icon);
char *old = q;
q += strlen("--icon ''");
q += strlen(entry->icon);
buf_size -= (size_t)(q - old);
q--; // To balance the q++ in the for
} else if (*p == 'c' && entry->name != NULL) {
sprintf(q, "'%s'", entry->name);
snprintf(q, buf_size, "'%s'", entry->name);
char *old = q;
q += strlen("''");
q += strlen(entry->name);
buf_size -= (size_t)(q - old);
q--; // To balance the q++ in the for
} else if (*p == 'c') {
sprintf(q, "'%s'", path);
snprintf(q, buf_size, "'%s'", path);
char *old = q;
q += strlen("''");
q += strlen(path);
buf_size -= (size_t)(q - old);
q--; // To balance the q++ in the for
} else if (*p == 'f' || *p == 'F') {
sprintf(q, "%c%c", '%', *p);
snprintf(q, buf_size, "%c%c", '%', *p);
q += 2;
buf_size -= 2;
q--; // To balance the q++ in the for
} else {
// We don't care about other expansions