Print an error if filename is not found in html_include.

[ps-cgit] / html.c

diff --git a/html.c b/html.c
index 339bf0043aceafae6cd5894046c9e676742432b3..bddb04d1adcb8052b7590a07838b8b4c1f6a8247 100644 (file)
--- a/html.c
+++ b/html.c
@@ -6,7 +6,14 @@
  *   (see COPYING for full license text)
  */
 
-#include "cgit.h"
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+
+int htmlfd = STDOUT_FILENO;
 
 char *fmt(const char *format, ...)
 {
@@ -21,8 +28,10 @@ char *fmt(const char *format, ...)
        va_start(args, format);
        len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args);
        va_end(args);
-       if (len>sizeof(buf[bufidx]))
-               die("[html.c] string truncated: %s", format);
+       if (len>sizeof(buf[bufidx])) {
+               fprintf(stderr, "[html.c] string truncated: %s\n", format);
+               exit(1);
+       }
        return buf[bufidx];
 }
 
@@ -150,35 +159,87 @@ void html_link_close(void)
 
 void html_fileperm(unsigned short mode)
 {
-       htmlf("%c%c%c", (mode & 4 ? 'r' : '-'), 
+       htmlf("%c%c%c", (mode & 4 ? 'r' : '-'),
              (mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-'));
 }
 
-void html_filemode(unsigned short mode)
-{
-       if (S_ISDIR(mode))
-               html("d");
-       else if (S_ISLNK(mode))
-               html("l");
-       else if (S_ISGITLINK(mode))
-               html("m");
-       else
-               html("-");
-       html_fileperm(mode >> 6);
-       html_fileperm(mode >> 3);
-       html_fileperm(mode);
-}
-
 int html_include(const char *filename)
 {
        FILE *f;
        char buf[4096];
        size_t len;
 
-       if (!(f = fopen(filename, "r")))
+       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) {
+               *txt = '\0';
+               return txt-1;
+       }
+       d1 = hextoint(*(txt+1));
+       d2 = hextoint(*(txt+2));
+       if (d1<0 || d2<0) {
+               strcpy(txt, txt+3);
+               return txt-1;
+       } else {
+               *txt = d1 * 16 + d2;
+               strcpy(txt+1, txt+3);
+               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;
+}