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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2023-06-21 16:27:13 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2023-06-23 14:39:53 +0200
commita8992084f275cf1628b2c9a65bb08afd35b2a99a (patch)
treee3b739ece69489f6edad1f1310860f20bf8b46ce /bin/gensquashfs/src
parent10419a6333c5875a3641ab3a932582659ae52325 (diff)
gensquashfs: use line split helpers in parsing sort files
Make use of the helpers in libutil Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'bin/gensquashfs/src')
-rw-r--r--bin/gensquashfs/src/sort_by_file.c94
1 files changed, 44 insertions, 50 deletions
diff --git a/bin/gensquashfs/src/sort_by_file.c b/bin/gensquashfs/src/sort_by_file.c
index 6e96d5b..f543767 100644
--- a/bin/gensquashfs/src/sort_by_file.c
+++ b/bin/gensquashfs/src/sort_by_file.c
@@ -121,6 +121,8 @@ static int decode_flags(const char *filename, size_t line_no, bool *do_glob,
bool *path_glob, int *flags, char *line)
{
char *start = line;
+ split_line_t *sep;
+ const char *end;
*do_glob = false;
*path_glob = false;
@@ -129,71 +131,63 @@ static int decode_flags(const char *filename, size_t line_no, bool *do_glob,
if (*(line++) != '[')
return 0;
- for (;;) {
- while (isspace(*line))
- ++line;
+ end = strchr(line, ']');
+ if (end == NULL) {
+ fprintf(stderr, "%s: " PRI_SZ ": Missing `]`.\n",
+ filename, line_no);
+ return -1;
+ }
- if (*line == ']') {
- ++line;
- break;
- }
+ switch (split_line(line, end - line, ",", &sep)) {
+ case SPLIT_LINE_OK:
+ break;
+ case SPLIT_LINE_ALLOC:
+ fputs("out-of-memory.\n", stderr);
+ return -1;
+ default:
+ fprintf(stderr, "%s: " PRI_SZ ": Malformed flag list.\n",
+ filename, line_no);
+ return -1;
+ }
- if (strncmp(line, "glob_no_path", 12) == 0) {
- line += 12;
+ ++end;
+ if (!isspace(*end)) {
+ fprintf(stderr, "%s: " PRI_SZ ": Expected `<space> <filename>` "
+ "after flag list.\n", filename, line_no);
+ return -1;
+ }
+
+ while (isspace(*end))
+ ++end;
+
+ for (size_t i = 0; i < sep->count; ++i) {
+ trim(sep->args[i]);
+
+ if (strcmp(sep->args[i], "glob_no_path") == 0) {
*do_glob = true;
*path_glob = false;
- } else if (strncmp(line, "glob", 4) == 0) {
- line += 4;
+ } else if (strcmp(sep->args[i], "glob") == 0) {
*do_glob = true;
*path_glob = true;
- } else if (strncmp(line, "dont_fragment", 13) == 0) {
- line += 13;
+ } else if (strcmp(sep->args[i], "dont_fragment") == 0) {
(*flags) |= SQFS_BLK_DONT_FRAGMENT;
- } else if (strncmp(line, "dont_compress", 13) == 0) {
- line += 13;
+ } else if (strcmp(sep->args[i], "dont_compress") == 0) {
(*flags) |= SQFS_BLK_DONT_COMPRESS;
- } else if (strncmp(line, "dont_deduplicate", 16) == 0) {
- line += 16;
+ } else if (strcmp(sep->args[i], "dont_deduplicate") == 0) {
(*flags) |= SQFS_BLK_DONT_DEDUPLICATE;
- } else if (strncmp(line, "nosparse", 8) == 0) {
- line += 8;
+ } else if (strcmp(sep->args[i], "nosparse") == 0) {
(*flags) |= SQFS_BLK_IGNORE_SPARSE;
} else {
- goto fail_flag;
- }
-
- while (isspace(*line))
- ++line;
-
- if (*line == ']') {
- ++line;
- break;
+ fprintf(stderr, "%s: " PRI_SZ ": Unknown flag `%s`.\n",
+ filename, line_no, sep->args[i]);
+ free(sep);
+ return -1;
}
-
- if (*(line++) != ',')
- goto fail_sep;
}
- if (!isspace(*line))
- goto fail_fname;
-
- while (isspace(*line))
- ++line;
-
- memmove(start, line, strlen(line) + 1);
+ free(sep);
+ memmove(start, end, strlen(end) + 1);
return 0;
-fail_fname:
- fprintf(stderr, "%s: " PRI_SZ ": Expected `<space> <filename>` "
- "after flag list.\n", filename, line_no);
- return -1;
-fail_sep:
- fprintf(stderr, "%s: " PRI_SZ ": Unexpected '%c' after flag.\n",
- filename, line_no, *line);
- return -1;
-fail_flag:
- fprintf(stderr, "%s: " PRI_SZ ": Unknown flag `%.3s...`.\n",
- filename, line_no, line);
- return -1;
}
static void sort_file_list(fstree_t *fs)