diff options
Diffstat (limited to 'ff2jpg.c')
| -rw-r--r-- | ff2jpg.c | 14 |
1 files changed, 10 insertions, 4 deletions
@@ -80,8 +80,7 @@ main(int argc, char *argv[]) /* header */ if (fread(hdr, sizeof(*hdr), 4, stdin) != 4) { - fprintf(stderr, "%s: fread: %s\n", argv0, strerror(errno)); - return 1; + goto readerr; } if (memcmp("farbfeld", hdr, sizeof("farbfeld") - 1)) { fprintf(stderr, "%s: invalid magic value\n", argv0); @@ -124,8 +123,7 @@ main(int argc, char *argv[]) /* write rows */ for (i = 0; i < height; ++i) { if (fread(row, sizeof(uint16_t), rowlen, stdin) != rowlen) { - fprintf(stderr, "%s: fread: %s\n", argv0, strerror(errno)); - return 1; + goto readerr; } for (j = 0, k = 0; j < rowlen; j += 4, k += 3) { a = ntohs(row[j + 3]); @@ -142,4 +140,12 @@ main(int argc, char *argv[]) jpeg_destroy_compress(&cinfo); return 0; +readerr: + if (ferror(stdin)) { + fprintf(stderr, "%s: fread: %s\n", argv0, strerror(errno)); + } else { + fprintf(stderr, "%s: unexpected end of file\n", argv0); + } + + return 1; } |