Don't smash stack when $GIT_ALTERNATE_OBJECT_DIRECTORIES is too long

[git.git] / builtin-for-each-ref.c

diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
index af72a12a5798265cece6c7b72582fd3672421394..2b218425aab2c37a826bfbe22535f2e5b7002a26 100644 (file)
--- a/builtin-for-each-ref.c
+++ b/builtin-for-each-ref.c
@@ -12,6 +12,7 @@
 #define QUOTE_SHELL 1
 #define QUOTE_PERL 2
 #define QUOTE_PYTHON 3
+#define QUOTE_TCL 4
 
 typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type;
 
@@ -134,7 +135,7 @@ static const char *find_next(const char *cp)
        while (*cp) {
                if (*cp == '%') {
                        /* %( is the start of an atom;
-                        * %% is a quoteed per-cent.
+                        * %% is a quoted per-cent.
                         */
                        if (cp[1] == '(')
                                return cp;
@@ -172,8 +173,8 @@ static void verify_format(const char *format)
  */
 static void *get_obj(const unsigned char *sha1, struct object **obj, unsigned long *sz, int *eaten)
 {
-       char type[20];
-       void *buf = read_sha1_file(sha1, type, sz);
+       enum object_type type;
+       void *buf = read_sha1_file(sha1, &type, sz);
 
        if (buf)
                *obj = parse_object_buffer(sha1, type, *sz, buf, eaten);
@@ -195,7 +196,7 @@ static void grab_common_values(struct atom_value *val, int deref, struct object
                if (deref)
                        name++;
                if (!strcmp(name, "objecttype"))
-                       v->s = type_names[obj->type];
+                       v->s = typename(obj->type);
                else if (!strcmp(name, "objectsize")) {
                        char *s = xmalloc(40);
                        sprintf(s, "%lu", sz);
@@ -300,7 +301,7 @@ static const char *find_wholine(const char *who, int wholen, const char *buf, un
        return "";
 }
 
-static char *copy_line(const char *buf)
+static const char *copy_line(const char *buf)
 {
        const char *eol = strchr(buf, '\n');
        char *line;
@@ -314,7 +315,7 @@ static char *copy_line(const char *buf)
        return line;
 }
 
-static char *copy_name(const char *buf)
+static const char *copy_name(const char *buf)
 {
        const char *eol = strchr(buf, '\n');
        const char *eoname = strstr(buf, " <");
@@ -329,7 +330,7 @@ static char *copy_name(const char *buf)
        return line;
 }
 
-static char *copy_email(const char *buf)
+static const char *copy_email(const char *buf)
 {
        const char *email = strchr(buf, '<');
        const char *eoemail = strchr(email, '>');
@@ -723,6 +724,9 @@ static void print_value(struct refinfo *ref, int atom, int quote_style)
        case QUOTE_PYTHON:
                python_quote_print(stdout, v->s);
                break;
+       case QUOTE_TCL:
+               tcl_quote_print(stdout, v->s);
+               break;
        }
 }
 
@@ -810,7 +814,7 @@ int cmd_for_each_ref(int ac, const char **av, char *prefix)
                        i++;
                        break;
                }
-               if (!strncmp(arg, "--format=", 9)) {
+               if (!prefixcmp(arg, "--format=")) {
                        if (format)
                                die("more than one --format?");
                        format = arg + 9;
@@ -834,7 +838,13 @@ int cmd_for_each_ref(int ac, const char **av, char *prefix)
                        quote_style = QUOTE_PYTHON;
                        continue;
                }
-               if (!strncmp(arg, "--count=", 8)) {
+               if (!strcmp(arg, "--tcl") ) {
+                       if (0 <= quote_style)
+                               die("more than one quoting style?");
+                       quote_style = QUOTE_TCL;
+                       continue;
+               }
+               if (!prefixcmp(arg, "--count=")) {
                        if (maxcount)
                                die("more than one --count?");
                        maxcount = atoi(arg + 8);
@@ -842,7 +852,7 @@ int cmd_for_each_ref(int ac, const char **av, char *prefix)
                                die("The number %s did not parse", arg);
                        continue;
                }
-               if (!strncmp(arg, "--sort=", 7)) {
+               if (!prefixcmp(arg, "--sort=")) {
                        struct ref_sort *s = xcalloc(1, sizeof(*s));
                        int len;