-#define streq(a,b) (strcmp((a),(b)) == 0)
-
-#define strstarts(str,prefix) (strncmp((str),(prefix),strlen(prefix)) == 0)
-
-static inline bool strends(const char *str, const char *postfix)
-{
- if (strlen(str) < strlen(postfix))
- return false;
-
- return streq(str + strlen(str) - strlen(postfix), postfix);
-}
-
-static int close_no_errno(int fd)
-{
- int ret = 0, serrno = errno;
- if (close(fd) < 0)
- ret = errno;
- errno = serrno;
- return ret;
-}
-
-static int unlink_no_errno(const char *filename)
-{
- int ret = 0, serrno = errno;
- if (unlink(filename) < 0)
- ret = errno;
- errno = serrno;
- return ret;
-}
-
-static void *grab_fd(const void *ctx, int fd)
-{
- int ret;
- unsigned int max = 16384, size = 0;
- char *buffer;
-
- buffer = talloc_array(ctx, char, max+1);
- while ((ret = read(fd, buffer + size, max - size)) > 0) {
- size += ret;
- if (size == max)
- buffer = talloc_realloc(ctx, buffer, char, max*=2 + 1);
- }
- if (ret < 0) {
- talloc_free(buffer);
- buffer = NULL;
- } else
- buffer[size] = '\0';
-
- return buffer;
-}
-
-/* This version adds one byte (for nul term) */
-static void *grab_file(const void *ctx, const char *filename)
-{
- int fd;
- char *buffer;
-
- if (streq(filename, "-"))
- fd = dup(STDIN_FILENO);
- else
- fd = open(filename, O_RDONLY, 0);
-
- if (fd < 0)
- return NULL;
-
- buffer = grab_fd(ctx, fd);
- close_no_errno(fd);
- return buffer;
-}
-
-/* This is a dumb one which copies. We could mangle instead. */
-static char **split(const void *ctx, const char *text, const char *delims,
- unsigned int *nump)
-{
- char **lines = NULL;
- unsigned int max = 64, num = 0;
-
- lines = talloc_array(ctx, char *, max+1);
-
- while (*text != '\0') {
- unsigned int len = strcspn(text, delims);
- lines[num] = talloc_array(lines, char, len + 1);
- memcpy(lines[num], text, len);
- lines[num][len] = '\0';
- text += len;
- text += strspn(text, delims);
- if (++num == max)
- lines = talloc_realloc(ctx, lines, char *, max*=2 + 1);
- }
- lines[num] = NULL;
- if (nump)
- *nump = num;
- return lines;
-}
-