repo-config: readability fixups.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/repo-config.c b/repo-config.c
index 722153c..7e06d1a 100644 (file)
--- a/repo-config.c
+++ b/repo-config.c
@@ -2,10 +2,9 @@
 #include <regex.h>
 
 static const char git_config_set_usage[] =
-"git-repo-config [ --bool | --int ] [--get | --get-all | --replace-all | --unset | --unset-all] name [value [value_regex]] | --list";
+"git-repo-config [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --unset | --unset-all] name [value [value_regex]] | --list";
 
 static char* key = NULL;
-static char* value = NULL;
 static regex_t* key_regexp = NULL;
 static regex_t* regexp = NULL;
 static int show_keys = 0;
@@ -26,6 +25,9 @@ static int show_all_config(const char *key_, const char *value_)
 
 static int show_config(const char* key_, const char* value_)
 {
+       char value[256];
+       const char *vptr = value;
+
        if (value_ == NULL)
                value_ = "";
 
@@ -35,28 +37,25 @@ static int show_config(const char* key_, const char* value_)
                        (regexp == NULL ||
                         (do_not_match ^
                          !regexec(regexp, value_, 0, NULL, 0)))) {
+               int dup_error = 0;
                if (show_keys)
                        printf("%s ", key_);
-               if (seen > 0) {
-                       if (!do_all)
-                               fprintf(stderr, "More than one value: %s\n",
-                                               value);
-                       free(value);
-               }
-
-               if (type == T_INT) {
-                       value = malloc(256);
+               if (seen && !do_all)
+                       dup_error = 1;
+               if (type == T_INT)
                        sprintf(value, "%d", git_config_int(key_, value_));
-               } else if (type == T_BOOL) {
-                       value = malloc(256);
+               else if (type == T_BOOL)
                        sprintf(value, "%s", git_config_bool(key_, value_)
                                             ? "true" : "false");
-               } else {
-                       value = strdup(value_);
-               }
+               else
+                       vptr = value_;
                seen++;
-               if (do_all)
-                       printf("%s\n", value);
+               if (dup_error) {
+                       error("More than one value for the key %s: %s",
+                             key_, vptr);
+               }
+               else
+                       printf("%s\n", vptr);
        }
        return 0;
 }
@@ -73,7 +72,7 @@ static int get_value(const char* key_, const char* regex_)
        if (use_key_regexp) {
                key_regexp = (regex_t*)malloc(sizeof(regex_t));
                if (regcomp(key_regexp, key, REG_EXTENDED)) {
-                       fprintf(stderr, "Invalid key pattern: %s\n", regex_);
+                       fprintf(stderr, "Invalid key pattern: %s\n", key_);
                        return -1;
                }
        }
@@ -92,11 +91,6 @@ static int get_value(const char* key_, const char* regex_)
        }
 
        git_config(show_config);
-       if (value) {
-               if (!do_all)
-                       printf("%s\n", value);
-               free(value);
-       }
        free(key);
        if (regexp) {
                regfree(regexp);
@@ -104,9 +98,9 @@ static int get_value(const char* key_, const char* regex_)
        }
 
        if (do_all)
-               return 0;
+               return !seen;
 
-       return seen == 1 ? 0 : 1;
+       return (seen == 1) ? 0 : 1;
 }
 
 int main(int argc, const char **argv)