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util.c.rej
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util.c.rej
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--- util.c
+++ util.c
@@ -3,6 +3,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
+#include <sys/stat.h>
#include "util.h"
@@ -33,3 +35,136 @@
exit(1);
}
+
+int
+normalizepath(const char *path, char **normal)
+{
+ size_t len = strlen(path);
+ *normal = (char *)malloc((len + 1) * sizeof(char));
+ const char *walk = path;
+ const char *match;
+ size_t newlen = 0;
+
+ while ((match = strchr(walk, '/'))) {
+ // Copy everything between match and walk
+ strncpy(*normal + newlen, walk, match - walk);
+ newlen += match - walk;
+ walk += match - walk;
+
+ // Skip all repeating slashes
+ while (*walk == '/')
+ walk++;
+
+ // If not last character in path
+ if (walk != path + len)
+ (*normal)[newlen++] = '/';
+ }
+
+ (*normal)[newlen++] = '\0';
+
+ // Copy remaining path
+ strcat(*normal, walk);
+ newlen += strlen(walk);
+
+ *normal = (char *)realloc(*normal, newlen * sizeof(char));
+
+ return 0;
+}
+
+int
+parentdir(const char *path, char **parent)
+{
+ char *normal;
+ char *walk;
+
+ normalizepath(path, &normal);
+
+ // Pointer to last '/'
+ if (!(walk = strrchr(normal, '/'))) {
+ free(normal);
+ return -1;
+ }
+
+ // Get path up to last '/'
+ size_t len = walk - normal;
+ *parent = (char *)malloc((len + 1) * sizeof(char));
+
+ // Copy path up to last '/'
+ strncpy(*parent, normal, len);
+ // Add null char
+ (*parent)[len] = '\0';
+
+ free(normal);
+
+ return 0;
+}
+
+int
+mkdirp(const char *path)
+{
+ char *normal;
+ char *walk;
+ size_t normallen;
+
+ normalizepath(path, &normal);
+ normallen = strlen(normal);
+ walk = normal;
+
+ while (walk < normal + normallen + 1) {
+ // Get length from walk to next /
+ size_t n = strcspn(walk, "/");
+
+ // Skip path /
+ if (n == 0) {
+ walk++;
+ continue;
+ }
+
+ // Length of current path segment
+ size_t curpathlen = walk - normal + n;
+ char curpath[curpathlen + 1];
+ struct stat s;
+
+ // Copy path segment to stat
+ strncpy(curpath, normal, curpathlen);
+ strcpy(curpath + curpathlen, "");
+ int res = stat(curpath, &s);
+
+ if (res < 0) {
+ if (errno == ENOENT) {
+ DEBUG("Making directory %s\n", curpath);
+ if (mkdir(curpath, 0700) < 0) {
+ fprintf(stderr, "Failed to make directory %s\n", curpath);
+ perror("");
+ free(normal);
+ return -1;
+ }
+ } else {
+ fprintf(stderr, "Error statting directory %s\n", curpath);
+ perror("");
+ free(normal);
+ return -1;
+ }
+ }
+
+ // Continue to next path segment
+ walk += n;
+ }
+
+ free(normal);
+
+ return 0;
+}
+
+int
+nullterminate(char **str, size_t *len)
+{
+ if ((*str)[*len - 1] == '\0')
+ return 0;
+
+ (*len)++;
+ *str = (char*)realloc(*str, *len * sizeof(char));
+ (*str)[*len - 1] = '\0';
+
+ return 0;
+}