diff options
author | Jonathan Nieder <jrnieder@gmail.com> | 2010-08-05 12:22:53 +0400 |
---|---|---|
committer | Junio C Hamano <gitster@pobox.com> | 2010-08-06 20:14:28 +0400 |
commit | 4d7f7a4ae7cf6caeab6aedc798b6528a4fb88829 (patch) | |
tree | 24d0c1fe4d568e61eef0a9eecf77827b02b2ebe8 | |
parent | dea007fb4c8170ea007b577698c7b44df6c318b9 (diff) |
diff: split off a function for --stat-* option parsing
As an optimization, the diff_opt_parse() switchboard has
a single case for all the --stat-* options. Split it
off into a separate function so we can enhance it
without bringing code dangerously close to the right
margin.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r-- | diff.c | 62 |
1 files changed, 35 insertions, 27 deletions
@@ -3029,6 +3029,38 @@ int parse_long_opt(const char *opt, const char **argv, 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; + + arg += strlen("--stat"); + 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; + return 1; +} + int diff_opt_parse(struct diff_options *options, const char **av, int ac) { const char *arg = av[0]; @@ -3070,33 +3102,9 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) 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")) { |