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Fix various memory leaks

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Bugfixes thanks to Alex Haley <ahaley42@users.sf.net>
This commit is contained in:
Robin Stuart 2016-09-03 18:45:09 +01:00
parent e6ff154543
commit a7bcef4ef7
6 changed files with 400 additions and 370 deletions
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2
backend/raster.c
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@ -341,6 +341,7 @@ int plot_raster_maxicode(struct zint_symbol *symbol, int rotate_angle, int data_
/* Apply scale options by creating another pixel buffer */
if (!(scaled_pixelbuf = (char *) malloc(scale_width * scale_height))) {
printf("Insufficient memory for pixel buffer");
free(pixelbuf);
return ZINT_ERROR_ENCODING_PROBLEM;
} else {
for (i = 0; i < (scale_width * scale_height); i++) {
@ -902,6 +903,7 @@ int plot_raster_default(struct zint_symbol *symbol, int rotate_angle, int data_t
/* Apply scale options by creating another pixel buffer */
if (!(scaled_pixelbuf = (char *) malloc(scale_width * scale_height))) {
free(pixelbuf);
printf("Insufficient memory for pixel buffer");
return ZINT_ERROR_ENCODING_PROBLEM;
} else {