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| author | yenatch <yenatch@gmail.com> | 2017-12-28 01:31:00 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-12-28 01:31:00 -0500 |
| commit | e2b378f5e32ea1416fbc9ac5e96d23be244e4a6b (patch) | |
| tree | 70fd1d4709150af457258763be04960931acd95b /tools/png_dimensions.c | |
| parent | da28d1a84b0499bead314e17ae2ff0d13eb03196 (diff) | |
| parent | 9af2aee640b555f9f52503233bc06d299b99974d (diff) | |
Merge pull request #442 from yenatch/fix-fread
fix fread warnings
Diffstat (limited to 'tools/png_dimensions.c')
| -rw-r--r-- | tools/png_dimensions.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/png_dimensions.c b/tools/png_dimensions.c index 7bd8550aa..900485bdf 100644 --- a/tools/png_dimensions.c +++ b/tools/png_dimensions.c @@ -22,8 +22,12 @@ void output_dimensions(char* png_filename, char* out_filename) { // width fseek(f, 16, SEEK_SET); - fread(bytes, 1, 4, f); + int size = fread(bytes, 1, 4, f); fclose(f); + if (size != 4) { + fprintf(stderr, "failed to read at offset 0x10 in file %s\n", png_filename); + exit(1); + } width = 0; for (i = 0; i < 4; i++) { |