free (ecbdata->diff_words->minus.orig);
free (ecbdata->diff_words->plus.text.ptr);
free (ecbdata->diff_words->plus.orig);
- free(ecbdata->diff_words->word_regex);
+ if (ecbdata->diff_words->word_regex) {
+ regfree(ecbdata->diff_words->word_regex);
+ free(ecbdata->diff_words->word_regex);
+ }
free(ecbdata->diff_words);
ecbdata->diff_words = NULL;
}
static int diff_scoreopt_parse(const char *opt);
+static inline int short_opt(char opt, const char **argv,
+ const char **optarg)
+{
+ const char *arg = argv[0];
+ if (arg[0] != '-' || arg[1] != opt)
+ return 0;
+ if (arg[2] != '\0') {
+ *optarg = arg + 2;
+ return 1;
+ }
+ if (!argv[1])
+ die("Option '%c' requires a value", opt);
+ *optarg = argv[1];
+ return 2;
+}
+
+int parse_long_opt(const char *opt, const char **argv,
+ const char **optarg)
+{
+ const char *arg = argv[0];
+ if (arg[0] != '-' || arg[1] != '-')
+ return 0;
+ arg += strlen("--");
+ if (prefixcmp(arg, opt))
+ return 0;
+ arg += strlen(opt);
+ if (*arg == '=') { /* sticked form: --option=value */
+ *optarg = arg + 1;
+ return 1;
+ }
+ if (*arg != '\0')
+ return 0;
+ /* separate form: --option value */
+ if (!argv[1])
+ die("Option '--%s' requires a value", opt);
+ *optarg = argv[1];
+ return 2;
+}
+
+static int stat_opt(struct diff_options *options, const char **av)
+{
+ const char *arg = av[0];
+ char *end;
+ int width = options->stat_width;
+ int name_width = options->stat_name_width;
+ int argcount = 1;
+
+ arg += strlen("--stat");
+ end = (char *)arg;
+
+ switch (*arg) {
+ case '-':
+ if (!prefixcmp(arg, "-width")) {
+ arg += strlen("-width");
+ if (*arg == '=')
+ width = strtoul(arg + 1, &end, 10);
+ else if (!*arg && !av[1])
+ die("Option '--stat-width' requires a value");
+ else if (!*arg) {
+ width = strtoul(av[1], &end, 10);
+ argcount = 2;
+ }
+ } else if (!prefixcmp(arg, "-name-width")) {
+ arg += strlen("-name-width");
+ if (*arg == '=')
+ name_width = strtoul(arg + 1, &end, 10);
+ else if (!*arg && !av[1])
+ die("Option '--stat-name-width' requires a value");
+ else if (!*arg) {
+ name_width = strtoul(av[1], &end, 10);
+ argcount = 2;
+ }
+ }
+ break;
+ case '=':
+ width = strtoul(arg+1, &end, 10);
+ if (*end == ',')
+ name_width = strtoul(end+1, &end, 10);
+ }
+
+ /* Important! This checks all the error cases! */
+ if (*end)
+ return 0;
+ options->output_format |= DIFF_FORMAT_DIFFSTAT;
+ options->stat_name_width = name_width;
+ options->stat_width = width;
+ return argcount;
+}
+
int diff_opt_parse(struct diff_options *options, const char **av, int ac)
{
const char *arg = av[0];
+ const char *optarg;
+ int argcount;
/* Output format options */
if (!strcmp(arg, "-p") || !strcmp(arg, "-u") || !strcmp(arg, "--patch"))
options->output_format |= DIFF_FORMAT_NAME_STATUS;
else if (!strcmp(arg, "-s"))
options->output_format |= DIFF_FORMAT_NO_OUTPUT;
- else if (!prefixcmp(arg, "--stat")) {
- char *end;
- int width = options->stat_width;
- int name_width = options->stat_name_width;
- arg += 6;
- end = (char *)arg;
-
- switch (*arg) {
- case '-':
- if (!prefixcmp(arg, "-width="))
- width = strtoul(arg + 7, &end, 10);
- else if (!prefixcmp(arg, "-name-width="))
- name_width = strtoul(arg + 12, &end, 10);
- break;
- case '=':
- width = strtoul(arg+1, &end, 10);
- if (*end == ',')
- name_width = strtoul(end+1, &end, 10);
- }
-
- /* Important! This checks all the error cases! */
- if (*end)
- return 0;
- options->output_format |= DIFF_FORMAT_DIFFSTAT;
- options->stat_name_width = name_width;
- options->stat_width = width;
- }
+ else if (!prefixcmp(arg, "--stat"))
+ /* --stat, --stat-width, or --stat-name-width */
+ return stat_opt(options, av);
/* renames options */
else if (!prefixcmp(arg, "-B")) {
else
die("bad --word-diff argument: %s", type);
}
- else if (!prefixcmp(arg, "--word-diff-regex=")) {
+ else if ((argcount = parse_long_opt("word-diff-regex", av, &optarg))) {
if (options->word_diff == DIFF_WORDS_NONE)
options->word_diff = DIFF_WORDS_PLAIN;
- options->word_regex = arg + 18;
+ options->word_regex = optarg;
+ return argcount;
}
else if (!strcmp(arg, "--exit-code"))
DIFF_OPT_SET(options, EXIT_WITH_STATUS);
/* misc options */
else if (!strcmp(arg, "-z"))
options->line_termination = 0;
- else if (!prefixcmp(arg, "-l"))
- options->rename_limit = strtoul(arg+2, NULL, 10);
- else if (!prefixcmp(arg, "-S"))
- options->pickaxe = arg + 2;
+ else if ((argcount = short_opt('l', av, &optarg))) {
+ options->rename_limit = strtoul(optarg, NULL, 10);
+ return argcount;
+ }
+ else if ((argcount = short_opt('S', av, &optarg))) {
+ options->pickaxe = optarg;
+ return argcount;
+ }
else if (!strcmp(arg, "--pickaxe-all"))
options->pickaxe_opts = DIFF_PICKAXE_ALL;
else if (!strcmp(arg, "--pickaxe-regex"))
options->pickaxe_opts = DIFF_PICKAXE_REGEX;
- else if (!prefixcmp(arg, "-O"))
- options->orderfile = arg + 2;
- else if (!prefixcmp(arg, "--diff-filter="))
- options->filter = arg + 14;
+ else if ((argcount = short_opt('O', av, &optarg))) {
+ options->orderfile = optarg;
+ return argcount;
+ }
+ else if ((argcount = parse_long_opt("diff-filter", av, &optarg))) {
+ options->filter = optarg;
+ return argcount;
+ }
else if (!strcmp(arg, "--abbrev"))
options->abbrev = DEFAULT_ABBREV;
else if (!prefixcmp(arg, "--abbrev=")) {
else if (40 < options->abbrev)
options->abbrev = 40;
}
- else if (!prefixcmp(arg, "--src-prefix="))
- options->a_prefix = arg + 13;
- else if (!prefixcmp(arg, "--dst-prefix="))
- options->b_prefix = arg + 13;
+ else if ((argcount = parse_long_opt("src-prefix", av, &optarg))) {
+ options->a_prefix = optarg;
+ return argcount;
+ }
+ else if ((argcount = parse_long_opt("dst-prefix", av, &optarg))) {
+ options->b_prefix = optarg;
+ return argcount;
+ }
else if (!strcmp(arg, "--no-prefix"))
options->a_prefix = options->b_prefix = "";
else if (opt_arg(arg, '\0', "inter-hunk-context",
&options->interhunkcontext))
;
- else if (!prefixcmp(arg, "--output=")) {
- options->file = fopen(arg + strlen("--output="), "w");
+ else if ((argcount = parse_long_opt("output", av, &optarg))) {
+ options->file = fopen(optarg, "w");
if (!options->file)
- die_errno("Could not open '%s'", arg + strlen("--output="));
+ die_errno("Could not open '%s'", optarg);
options->close_file = 1;
+ return argcount;
} else
return 0;
return 1;
len2, p->two->path);
git_SHA1_Update(&ctx, buffer, len1);
+ if (diff_filespec_is_binary(p->one) ||
+ diff_filespec_is_binary(p->two)) {
+ git_SHA1_Update(&ctx, sha1_to_hex(p->one->sha1), 40);
+ git_SHA1_Update(&ctx, sha1_to_hex(p->two->sha1), 40);
+ continue;
+ }
+
xpp.flags = 0;
xecfg.ctxlen = 3;
xecfg.flags = XDL_EMIT_FUNCNAMES;