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path: root/html.c
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Diffstat (limited to 'html.c') (more/less context) (ignore whitespace changes)
-rw-r--r--html.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/html.c b/html.c
index 66ba65d..d86b2c1 100644
--- a/html.c
+++ b/html.c
@@ -147,145 +147,146 @@ void html_url_path(char *txt)
}
void html_url_arg(char *txt)
{
char *t = txt;
while(t && *t){
int c = *t;
if (c=='"' || c=='#' || c=='%' || c=='&' || c=='\'' || c=='+' || c=='?') {
write(htmlfd, txt, t - txt);
write(htmlfd, fmt("%%%2x", c), 3);
txt = t+1;
}
t++;
}
if (t!=txt)
html(txt);
}
void html_hidden(char *name, char *value)
{
html("<input type='hidden' name='");
html_attr(name);
html("' value='");
html_attr(value);
html("'/>");
}
void html_option(char *value, char *text, char *selected_value)
{
html("<option value='");
html_attr(value);
html("'");
if (selected_value && !strcmp(selected_value, value))
html(" selected='selected'");
html(">");
html_txt(text);
html("</option>\n");
}
void html_link_open(char *url, char *title, char *class)
{
html("<a href='");
html_attr(url);
if (title) {
html("' title='");
html_attr(title);
}
if (class) {
html("' class='");
html_attr(class);
}
html("'>");
}
void html_link_close(void)
{
html("</a>");
}
void html_fileperm(unsigned short mode)
{
htmlf("%c%c%c", (mode & 4 ? 'r' : '-'),
(mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-'));
}
int html_include(const char *filename)
{
FILE *f;
char buf[4096];
size_t len;
if (!(f = fopen(filename, "r"))) {
fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n",
filename, strerror(errno), errno);
return -1;
}
while((len = fread(buf, 1, 4096, f)) > 0)
write(htmlfd, buf, len);
fclose(f);
return 0;
}
int hextoint(char c)
{
if (c >= 'a' && c <= 'f')
return 10 + c - 'a';
else if (c >= 'A' && c <= 'F')
return 10 + c - 'A';
else if (c >= '0' && c <= '9')
return c - '0';
else
return -1;
}
char *convert_query_hexchar(char *txt)
{
- int d1, d2;
- if (strlen(txt) < 3) {
+ int d1, d2, n;
+ n = strlen(txt);
+ if (n < 3) {
*txt = '\0';
return txt-1;
}
d1 = hextoint(*(txt+1));
d2 = hextoint(*(txt+2));
if (d1<0 || d2<0) {
- strcpy(txt, txt+3);
+ memmove(txt, txt+3, n-3);
return txt-1;
} else {
*txt = d1 * 16 + d2;
- strcpy(txt+1, txt+3);
+ memmove(txt+1, txt+3, n-2);
return txt;
}
}
int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value))
{
char *t, *value = NULL, c;
if (!txt)
return 0;
t = txt = strdup(txt);
if (t == NULL) {
printf("Out of memory\n");
exit(1);
}
while((c=*t) != '\0') {
if (c=='=') {
*t = '\0';
value = t+1;
} else if (c=='+') {
*t = ' ';
} else if (c=='%') {
t = convert_query_hexchar(t);
} else if (c=='&') {
*t = '\0';
(*fn)(txt, value);
txt = t+1;
value = NULL;
}
t++;
}
if (t!=txt)
(*fn)(txt, value);
return 0;
}