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Diffstat (limited to 'compat/precompose_utf8.c')
-rw-r--r--compat/precompose_utf8.c52
1 files changed, 33 insertions, 19 deletions
diff --git a/compat/precompose_utf8.c b/compat/precompose_utf8.c
index 136250f..ec56056 100644
--- a/compat/precompose_utf8.c
+++ b/compat/precompose_utf8.c
@@ -60,32 +60,46 @@ void probe_utf8_pathname_composition(void)
strbuf_release(&path);
}
-
-void precompose_argv(int argc, const char **argv)
+static inline const char *precompose_string_if_needed(const char *in)
{
- int i = 0;
- const char *oldarg;
- char *newarg;
- iconv_t ic_precompose;
+ size_t inlen;
+ size_t outlen;
+ if (has_non_ascii(in, (size_t)-1, &inlen)) {
+ iconv_t ic_prec;
+ char *out;
+ if (precomposed_unicode < 0)
+ git_config_get_bool("core.precomposeunicode", &precomposed_unicode);
+ if (precomposed_unicode != 1)
+ return in;
+ ic_prec = iconv_open(repo_encoding, path_encoding);
+ if (ic_prec == (iconv_t) -1)
+ return in;
+
+ out = reencode_string_iconv(in, inlen, ic_prec, 0, &outlen);
+ if (out) {
+ if (outlen == inlen && !memcmp(in, out, outlen))
+ free(out); /* no need to return indentical */
+ else
+ in = out;
+ }
+ iconv_close(ic_prec);
- if (precomposed_unicode != 1)
- return;
+ }
+ return in;
+}
- ic_precompose = iconv_open(repo_encoding, path_encoding);
- if (ic_precompose == (iconv_t) -1)
- return;
+const char *precompose_argv_prefix(int argc, const char **argv, const char *prefix)
+{
+ int i = 0;
while (i < argc) {
- size_t namelen;
- oldarg = argv[i];
- if (has_non_ascii(oldarg, (size_t)-1, &namelen)) {
- newarg = reencode_string_iconv(oldarg, namelen, ic_precompose, 0, NULL);
- if (newarg)
- argv[i] = newarg;
- }
+ argv[i] = precompose_string_if_needed(argv[i]);
i++;
}
- iconv_close(ic_precompose);
+ if (prefix) {
+ prefix = precompose_string_if_needed(prefix);
+ }
+ return prefix;
}