Use utf8::reencode_string from git

This replaces the iconv-support in cgit with similar functions already
existing in git.

Signed-off-by: Lars Hjemli <hjemli@gmai.com>

2 files changed, 5 insertions, 60 deletions

@@ -16,6 +16,7 @@
 #include <log-tree.h>
 #include <archive.h>
 #include <xdiff/xdiff.h>
+#include <utf8.h>
 
 
 /*
@@ -6,8 +6,6 @@
  *   (see COPYING for full license text)
  */
 
-#include <iconv.h>
-
 #include "cgit.h"
 
 int next_char(FILE *f)
@@ -178,62 +176,6 @@ void cgit_parse_url(const char *url)
         }
 }
 
-static char *iconv_msg(char *msg, const char *encoding)
-{
-        iconv_t msg_conv = iconv_open(PAGE_ENCODING, encoding);
-        size_t inlen = strlen(msg);
-        char *in;
-        char *out;
-        size_t inleft;
-        size_t outleft;
-        char *buf;
-        char *ret;
-        size_t buf_sz;
-        int again, fail;
-
-        if(msg_conv == (iconv_t)-1)
-                return NULL;
-
-        buf_sz = inlen * 2;
-        buf = xmalloc(buf_sz+1);
-        do {
-                in = msg;
-                inleft = inlen;
-
-                out = buf;
-                outleft = buf_sz;
-                iconv(msg_conv, &in, &inleft, &out, &outleft);
-
-                if(inleft == 0) {
-                        fail = 0;
-                        again = 0;
-                } else if(inleft != 0 && errno == E2BIG) {
-                        fail = 0;
-                        again = 1;
-
-                        buf_sz *= 2;
-                        free(buf);
-                        buf = xmalloc(buf_sz+1);
-                } else {
-                        fail = 1;
-                        again = 0;
-                }
-        } while(again && !fail);
-
-        if(fail) {
-                free(buf);
-                ret = NULL;
-        } else {
-                buf = xrealloc(buf, out - buf);
-                *out = 0;
-                ret = buf;
-        }
-
-        iconv_close(msg_conv);
-
-        return ret;
-}
-
 char *substr(const char *head, const char *tail)
 {
         char *buf;
@@ -321,13 +263,15 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
                 ret->subject = substr(p, p+strlen(p));
 
         if(strcmp(ret->msg_encoding, PAGE_ENCODING)) {
-                t = iconv_msg(ret->subject, ret->msg_encoding);
+                t = reencode_string(ret->subject, PAGE_ENCODING,
+                                    ret->msg_encoding);
                 if(t) {
                         free(ret->subject);
                         ret->subject = t;
                 }
 
-                t = iconv_msg(ret->msg, ret->msg_encoding);
+                t = reencode_string(ret->msg, PAGE_ENCODING,
+                                    ret->msg_encoding);
                 if(t) {
                         free(ret->msg);
                         ret->msg = t;