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authorGravatar Christian Hesse <mail@eworm.de>2013-07-08 16:56:55 +0200
committerGravatar Christian Hesse <mail@eworm.de>2013-07-08 16:56:55 +0200
commit6684ecfe31257bd15d2e3f54142bbc40add30ba3 (patch)
tree5987ffe6edbc91a49a239e15f9c5acfd2a96826d /cqrlogo.c
parent090cc6357193c723187dc1e567101852cd8a24de (diff)
downloadcqrlogo-6684ecfe31257bd15d2e3f54142bbc40add30ba3.tar.gz
cqrlogo-6684ecfe31257bd15d2e3f54142bbc40add30ba3.tar.zst
fix variable handling
Diffstat (limited to 'cqrlogo.c')
-rw-r--r--cqrlogo.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/cqrlogo.c b/cqrlogo.c
index e0d76c2..1cb4eb4 100644
--- a/cqrlogo.c
+++ b/cqrlogo.c
@@ -65,9 +65,9 @@ GdkPixbuf * encode_qrcode (char *text, int scale) {
int main(int argc, char **argv) {
char * http_referer, * server_name, * pattern;
regex_t preg;
- size_t nmatch = 1;
regmatch_t pmatch[1];
- int rc = 0;
+ int rc = 0, referer = 0;
+ size_t bytes = 0;
GdkPixbuf *pixbuf;
int scale = 0;
@@ -95,7 +95,7 @@ int main(int argc, char **argv) {
fprintf(stderr, "regcomp() failed, returning nonzero (%d)\n", rc);
/* check if the QR-Code is for the correct server */
- if ((rc = regexec(&preg, http_referer, nmatch, pmatch, 0)) != 0) {
+ if ((referer = regexec(&preg, http_referer, 1, pmatch, 0)) != 0) {
http_referer = malloc(44 + strlen(server_name));
sprintf(http_referer, "This QR Code has been stolen from %s!", server_name);
}
@@ -128,9 +128,9 @@ int main(int argc, char **argv) {
/* cut http_referer, text in png file may have a max length of 79 chars */
if (strlen(http_referer) > 79) {
- if (!rc) {
+ if (!referer) {
http_referer = strdup(http_referer);
- rc = 1;
+ referer++;
}
sprintf(http_referer + 76, "...");
}
@@ -140,9 +140,10 @@ int main(int argc, char **argv) {
"compression", "9",
"tEXt::comment", "QR-Code created by cqrlogo - https://github.com/eworm-de/cqrlogo",
"tEXt::referer", http_referer, NULL);
- fwrite (buffer, 1, size, stdout);
+ if ((bytes = fwrite (buffer, 1, size, stdout)) != size)
+ fprintf(stderr, "fwrite() failed, wrote %zu of %zu bytes.\n", bytes, (size_t)size);
- if (rc)
+ if (referer)
free(http_referer);
g_object_unref(pixbuf);