diff options
Diffstat (limited to 'tools/cws2fws.c')
| -rw-r--r-- | tools/cws2fws.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/tools/cws2fws.c b/tools/cws2fws.c index 74588c10a6..84feda959e 100644 --- a/tools/cws2fws.c +++ b/tools/cws2fws.c @@ -62,7 +62,10 @@ int main(int argc, char *argv[]) return 1; } - fstat(fd_in, &statbuf); + if (fstat(fd_in, &statbuf) < 0) { + perror("fstat failed"); + return 1; + } comp_len = statbuf.st_size; uncomp_len = buf_in[4] | (buf_in[5] << 8) | (buf_in[6] << 16) | (buf_in[7] << 24); @@ -79,7 +82,10 @@ int main(int argc, char *argv[]) zstream.zalloc = NULL; zstream.zfree = NULL; zstream.opaque = NULL; - inflateInit(&zstream); + if (inflateInit(&zstream) != Z_OK) { + fprintf(stderr, "inflateInit failed\n"); + return 1; + } for (i = 0; i < comp_len - 8;) { int ret, len = read(fd_in, &buf_in, 1024); @@ -125,8 +131,8 @@ int main(int argc, char *argv[]) buf_in[2] = ((zstream.total_out + 8) >> 16) & 0xff; buf_in[3] = ((zstream.total_out + 8) >> 24) & 0xff; - lseek(fd_out, 4, SEEK_SET); - if (write(fd_out, &buf_in, 4) < 4) { + if ( lseek(fd_out, 4, SEEK_SET) < 0 + || write(fd_out, &buf_in, 4) < 4) { perror("Error writing output file"); return 1; } |