diff options
Diffstat (limited to 'cqrlogo.c')
| -rw-r--r-- | cqrlogo.c | 15 |
1 files changed, 8 insertions, 7 deletions
@@ -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); |