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authorJeff Smith2017-10-01 23:39:05 -0500
committerJohn Keeping2017-10-03 19:19:34 +0100
commit70787254b270b1505aa8427813f64131be5df86c (patch)
tree5a6d23b8186d4d9d7e2bd5b84d3c3d092edd4e30
parent3b485cc5422f800d142c7023295e82c0a1c10b19 (diff)
downloadcgit-70787254b270b1505aa8427813f64131be5df86c.tar.gz
html: html_ntxt with no ellipsis
For implementing a ui-blame page, there is need for a function that outputs a selection from a block of text, transformed for HTML output, but with no further modifications or additions. Signed-off-by: Jeff Smith <whydoubt@gmail.com> Reviewed-by: John Keeping <john@keeping.me.uk>
-rw-r--r--html.c32
-rw-r--r--html.h2
-rw-r--r--ui-repolist.c3
3 files changed, 14 insertions, 23 deletions
diff --git a/html.c b/html.c
index e7e6e07..7f81965 100644
--- a/html.c
+++ b/html.c
@@ -124,29 +124,20 @@ void html_vtxtf(const char *format, va_list ap)
void html_txt(const char *txt)
{
- const char *t = txt;
- while (t && *t) {
- int c = *t;
- if (c == '<' || c == '>' || c == '&') {
- html_raw(txt, t - txt);
- if (c == '>')
- html("&gt;");
- else if (c == '<')
- html("&lt;");
- else if (c == '&')
- html("&amp;");
- txt = t + 1;
- }
- t++;
- }
- if (t != txt)
- html(txt);
+ if (txt)
+ html_ntxt(txt, strlen(txt));
}
-void html_ntxt(int len, const char *txt)
+ssize_t html_ntxt(const char *txt, size_t len)
{
const char *t = txt;
- while (t && *t && len--) {
+ ssize_t slen;
+
+ if (len > SSIZE_MAX)
+ return -1;
+
+ slen = (ssize_t) len;
+ while (t && *t && slen--) {
int c = *t;
if (c == '<' || c == '>' || c == '&') {
html_raw(txt, t - txt);
@@ -162,8 +153,7 @@ void html_ntxt(int len, const char *txt)
}
if (t != txt)
html_raw(txt, t - txt);
- if (len < 0)
- html("...");
+ return slen;
}
void html_attrf(const char *fmt, ...)
diff --git a/html.h b/html.h
index 1b24e55..fa4de77 100644
--- a/html.h
+++ b/html.h
@@ -19,7 +19,7 @@ __attribute__((format (printf,1,2)))
extern void html_attrf(const char *format,...);
extern void html_txt(const char *txt);
-extern void html_ntxt(int len, const char *txt);
+extern ssize_t html_ntxt(const char *txt, size_t len);
extern void html_attr(const char *txt);
extern void html_url_path(const char *txt);
extern void html_url_arg(const char *txt);
diff --git a/ui-repolist.c b/ui-repolist.c
index 7272e87..af52f9b 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -329,7 +329,8 @@ void cgit_print_repolist(void)
repourl = cgit_repourl(ctx.repo->url);
html_link_open(repourl, NULL, NULL);
free(repourl);
- html_ntxt(ctx.cfg.max_repodesc_len, ctx.repo->desc);
+ if (html_ntxt(ctx.repo->desc, ctx.cfg.max_repodesc_len) < 0)
+ html("...");
html_link_close();
html("</td><td>");
if (ctx.cfg.enable_index_owner) {