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114 lines
2.2 KiB
114 lines
2.2 KiB
#include "test-tool.h" |
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#include "gettext.h" |
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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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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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{ "NOTEOL", REG_NOTEOL }, |
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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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{ |
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char *pat = "[^={} \t]+"; |
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char *str = "={}\nfred"; |
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regex_t r; |
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regmatch_t m[1]; |
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if (regcomp(&r, pat, REG_EXTENDED | REG_NEWLINE)) |
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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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die("no match of pattern '%s' to string '%s'", pat, str); |
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/* http://sourceware.org/bugzilla/show_bug.cgi?id=3957 */ |
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if (m[0].rm_so == 3) /* matches '\n' when it should not */ |
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die("regex bug confirmed: re-build git with NO_REGEX=1"); |
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return 0; |
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} |
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int cmd__regex(int argc, const 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 ret, silent = 0, flags = 0; |
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regex_t r; |
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regmatch_t m[1]; |
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char errbuf[64]; |
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argv++; |
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argc--; |
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if (!argc) |
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goto usage; |
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if (!strcmp(*argv, "--bug")) { |
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if (argc == 1) |
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return test_regex_bug(); |
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else |
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goto usage; |
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} |
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if (!strcmp(*argv, "--silent")) { |
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silent = 1; |
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argv++; |
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argc--; |
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} |
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if (!argc) |
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goto usage; |
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pat = *argv++; |
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if (argc == 1) |
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str = NULL; |
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else { |
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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 flag %s", *argv); |
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argv++; |
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} |
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} |
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git_setup_gettext(); |
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ret = regcomp(&r, pat, flags); |
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if (ret) { |
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if (silent) |
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return ret; |
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regerror(ret, &r, errbuf, sizeof(errbuf)); |
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die("failed regcomp() for pattern '%s' (%s)", pat, errbuf); |
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} |
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if (!str) |
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return 0; |
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ret = regexec(&r, str, 1, m, 0); |
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if (ret) { |
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if (silent || ret == REG_NOMATCH) |
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return ret; |
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regerror(ret, &r, errbuf, sizeof(errbuf)); |
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die("failed regexec() for subject '%s' (%s)", str, errbuf); |
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} |
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return 0; |
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usage: |
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usage("\ttest-tool regex --bug\n" |
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"\ttest-tool regex [--silent] <pattern>\n" |
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"\ttest-tool regex [--silent] <pattern> <string> [<options>]"); |
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return -1; |
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}
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