diff options
| -rw-r--r-- | ar.c | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -225,6 +225,40 @@ ar_glob_alphacompare (a, b) return strcmp (*a, *b); } +/* Return nonzero if PATTERN contains any metacharacters. + Metacharacters can be quoted with backslashes if QUOTE is nonzero. */ +static int +glob_pattern_p (pattern, quote) + const char *pattern; + const int quote; +{ + register const char *p; + int open = 0; + + for (p = pattern; *p != '\0'; ++p) + switch (*p) + { + case '?': + case '*': + return 1; + + case '\\': + if (quote) + ++p; + break; + + case '[': + open = 1; + break; + + case ']': + if (open) + return 1; + break; + } + + return 0; +} /* Glob for MEMBER_PATTERN in archive ARNAME. Return a malloc'd chain of matching elements (or nil if none). */ @@ -239,6 +273,9 @@ ar_glob (arname, member_pattern, size) struct nameseq *n; unsigned int i; + if (! glob_pattern_p (member_pattern, 1)) + return 0; + /* Scan the archive for matches. ar_glob_match will accumulate them in STATE.chain. */ i = strlen (arname); |