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-rw-r--r--ui-log.c33
1 files changed, 22 insertions, 11 deletions
diff --git a/ui-log.c b/ui-log.c
index 8592843..93af0ce 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -243,15 +243,19 @@ static void print_commit(struct commit *commit, struct rev_info *revs)
cgit_free_commitinfo(info);
}
-static const char *disambiguate_ref(const char *ref)
+static const char *disambiguate_ref(const char *ref, int *must_free_result)
{
unsigned char sha1[20];
- const char *longref;
+ struct strbuf longref = STRBUF_INIT;
- longref = fmt("refs/heads/%s", ref);
- if (get_sha1(longref, sha1) == 0)
- return longref;
+ strbuf_addf(&longref, "refs/heads/%s", ref);
+ if (get_sha1(longref.buf, sha1) == 0) {
+ *must_free_result = 1;
+ return strbuf_detach(&longref, NULL);
+ }
+ *must_free_result = 0;
+ strbuf_release(&longref);
return ref;
}
@@ -284,24 +288,26 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
struct commit *commit;
struct vector vec = VECTOR_INIT(char *);
int i, columns = commit_graph ? 4 : 3;
- char *arg;
+ int must_free_tip = 0;
+ struct strbuf argbuf = STRBUF_INIT;
/* First argv is NULL */
vector_push(&vec, NULL, 0);
if (!tip)
tip = ctx.qry.head;
- tip = disambiguate_ref(tip);
+ tip = disambiguate_ref(tip, &must_free_tip);
vector_push(&vec, &tip, 0);
if (grep && pattern && *pattern) {
pattern = xstrdup(pattern);
if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
!strcmp(grep, "committer")) {
- arg = fmt("--%s=%s", grep, pattern);
- vector_push(&vec, &arg, 0);
+ strbuf_addf(&argbuf, "--%s=%s", grep, pattern);
+ vector_push(&vec, &argbuf.buf, 0);
}
if (!strcmp(grep, "range")) {
+ char *arg;
/* Split the pattern at whitespace and add each token
* as a revision expression. Do not accept other
* rev-list options. Also, replace the previously
@@ -336,8 +342,8 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
}
if (path) {
- arg = "--";
- vector_push(&vec, &arg, 0);
+ static const char *double_dash_arg = "--";
+ vector_push(&vec, &double_dash_arg, 0);
vector_push(&vec, &path, 0);
}
@@ -430,4 +436,9 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
html("</td></tr>\n");
}
+
+ /* If we allocated tip then it is safe to cast away const. */
+ if (must_free_tip)
+ free((char*) tip);
+ strbuf_release(&argbuf);
}