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--- sdel-lib.c.orig 2026-02-02 20:28:42.426954714 +0700
+++ sdel-lib.c 2026-02-02 20:30:20.645079731 +0700
@@ -307,7 +307,10 @@
}
void sdel_wipe_inodes(char *loc, char **array) {
- char *template = malloc(strlen(loc) + 16);
+ const char *pat = "xxxxxxxx.xxx";
+ size_t loclen = strlen(loc);
+ int need_slash = (loclen > 0 && loc[loclen - 1] != '/');
+ char *template = malloc(loclen + need_slash + strlen(pat) + 1);
int i = 0;
int fail = 0;
int fd;
@@ -315,25 +318,29 @@
if (verbose)
printf("Wiping inodes ...");
- array = malloc(MAXINODEWIPE * sizeof(template));
+ array = malloc((MAXINODEWIPE + 1) * sizeof(*array));
+ if (!array || !template) { perror("malloc"); exit(1); }
strcpy(template, loc);
- if (loc[strlen(loc) - 1] != '/')
+ if (need_slash)
strcat(template, "/");
- strcat(template, "xxxxxxxx.xxx");
+ strcat(template, pat);
while(i < MAXINODEWIPE && fail < 5) {
__sdel_random_filename(template);
- if (open(template, O_CREAT | O_EXCL | O_WRONLY, 0600) < 0)
+ fd = open(template, O_CREAT | O_EXCL | O_WRONLY, 0600);
+ if (fd < 0)
fail++;
else {
- array[i] = malloc(strlen(template));
+ (void) close(fd);
+ array[i] = malloc(strlen(template) + 1);
strcpy(array[i], template);
i++;
}
}
+ free(template);
FLUSH;
- if (fail < 5) {
+ if (fail >= 5) {
fprintf(stderr, "Warning: could not wipe all inodes!\n");
}
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