test-regex: expose full regcomp() to the command line
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Nguyễn Thái Ngọc Duy committed
Jun 25, 2016 at 07:22 UTC
d8acfe1eaf8621025c4095d3fbb88b2703b3fa54
1 file changed
+49
-2
test-regex.c
+49
-2
@@ -1,4 +1,21 @@
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#include "git-compat-util.h"
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+#include "gettext.h"
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+
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+struct reg_flag {
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+ const char *name;
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+ int flag;
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+};
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+
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+static struct reg_flag reg_flags[] = {
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+ { "EXTENDED", REG_EXTENDED },
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+ { "NEWLINE", REG_NEWLINE },
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+ { "ICASE", REG_ICASE },
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+ { "NOTBOL", REG_NOTBOL },
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+#ifdef REG_STARTEND
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+ { "STARTEND", REG_STARTEND },
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+#endif
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+ { NULL, 0 }
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+};
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static int test_regex_bug(void)
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{
@@ -21,8 +38,38 @@ static int test_regex_bug(void)
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int main(int argc, char **argv)
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{
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+ const char *pat;
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+ const char *str;
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+ int flags = 0;
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+ regex_t r;
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+ regmatch_t m[1];
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+
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if (argc == 2 && !strcmp(argv[1], "--bug"))
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return test_regex_bug();
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- else
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- usage("test-regex --bug");
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+ else if (argc < 3)
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+ usage("test-regex --bug\n"
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+ "test-regex <pattern> <string> [<options>]");
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+
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+ argv++;
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+ pat = *argv++;
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+ str = *argv++;
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+ while (*argv) {
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+ struct reg_flag *rf;
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+ for (rf = reg_flags; rf->name; rf++)
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+ if (!strcmp(*argv, rf->name)) {
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+ flags |= rf->flag;
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+ break;
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+ }
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+ if (!rf->name)
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+ die("do not recognize %s", *argv);
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+ argv++;
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+ }
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+ git_setup_gettext();
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+
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+ if (regcomp(&r, pat, flags))
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+ die("failed regcomp() for pattern '%s'", pat);
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+ if (regexec(&r, str, 1, m, 0))
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+ return 1;
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+
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+ return 0;
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}