From 625662a5c1cbb71cf37653df1f31cd60c48b18ae Mon Sep 17 00:00:00 2001 From: June McEnroe Date: Wed, 22 May 2024 12:16:41 -0400 Subject: Remove use of sysexits.h --- bin/pngo.c | 83 +++++++++++++++++++++++++------------------------------------- 1 file changed, 33 insertions(+), 50 deletions(-) (limited to 'bin/pngo.c') diff --git a/bin/pngo.c b/bin/pngo.c index eb51ccc2..e2ad3837 100644 --- a/bin/pngo.c +++ b/bin/pngo.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include @@ -35,14 +34,14 @@ static uint32_t crc; static void pngRead(void *ptr, size_t len, const char *desc) { size_t n = fread(ptr, len, 1, file); - if (!n && ferror(file)) err(EX_IOERR, "%s", path); - if (!n) errx(EX_DATAERR, "%s: missing %s", path, desc); + if (!n && ferror(file)) err(1, "%s", path); + if (!n) errx(1, "%s: missing %s", path, desc); crc = crc32(crc, ptr, len); } static void pngWrite(const void *ptr, size_t len) { size_t n = fwrite(ptr, len, 1, file); - if (!n) err(EX_IOERR, "%s", path); + if (!n) err(1, "%s", path); crc = crc32(crc, ptr, len); } @@ -52,7 +51,7 @@ static void sigRead(void) { uint8_t sig[sizeof(Sig)]; pngRead(sig, sizeof(sig), "signature"); if (memcmp(sig, Sig, sizeof(sig))) { - errx(EX_DATAERR, "%s: invalid signature", path); + errx(1, "%s: invalid signature", path); } } @@ -96,10 +95,7 @@ static void crcRead(void) { uint32_t expect = crc; uint32_t actual = u32Read("CRC32"); if (actual == expect) return; - errx( - EX_DATAERR, "%s: expected CRC32 %08X, found %08X", - path, expect, actual - ); + errx(1, "%s: expected CRC32 %08X, found %08X", path, expect, actual); } static void crcWrite(void) { @@ -108,7 +104,7 @@ static void crcWrite(void) { static void chunkSkip(struct Chunk chunk) { if (!(chunk.type[0] & 0x20)) { - errx(EX_CONFIG, "%s: unsupported critical chunk %s", path, chunk.type); + errx(1, "%s: unsupported critical chunk %s", path, chunk.type); } uint8_t buf[4096]; while (chunk.len > sizeof(buf)) { @@ -181,7 +177,7 @@ static void headerPrint(void) { static void headerRead(struct Chunk chunk) { if (chunk.len != HeaderLen) { errx( - EX_DATAERR, "%s: expected %s length %" PRIu32 ", found %" PRIu32, + 1, "%s: expected %s length %" PRIu32 ", found %" PRIu32, path, chunk.type, (uint32_t)HeaderLen, chunk.len ); } @@ -195,8 +191,8 @@ static void headerRead(struct Chunk chunk) { crcRead(); recalc(); - if (!header.width) errx(EX_DATAERR, "%s: invalid width 0", path); - if (!header.height) errx(EX_DATAERR, "%s: invalid height 0", path); + if (!header.width) errx(1, "%s: invalid width 0", path); + if (!header.height) errx(1, "%s: invalid height 0", path); static const struct { uint8_t color; uint8_t depth; @@ -228,28 +224,21 @@ static void headerRead(struct Chunk chunk) { } if (!valid) { errx( - EX_DATAERR, - "%s: invalid color type %" PRIu8 " and bit depth %" PRIu8, + 1, "%s: invalid color type %" PRIu8 " and bit depth %" PRIu8, path, header.color, header.depth ); } if (header.compression != Deflate) { errx( - EX_DATAERR, "%s: invalid compression method %" PRIu8, + 1, "%s: invalid compression method %" PRIu8, path, header.compression ); } if (header.filter != Adaptive) { - errx( - EX_DATAERR, "%s: invalid filter method %" PRIu8, - path, header.filter - ); + errx(1, "%s: invalid filter method %" PRIu8, path, header.filter); } if (header.interlace > Adam7) { - errx( - EX_DATAERR, "%s: invalid interlace method %" PRIu8, - path, header.interlace - ); + errx(1, "%s: invalid interlace method %" PRIu8, path, header.interlace); } if (verbose) headerPrint(); @@ -331,16 +320,13 @@ static void transCompact(void) { static void palRead(struct Chunk chunk) { if (chunk.len % 3) { errx( - EX_DATAERR, "%s: %s length %" PRIu32 " not divisible by 3", + 1, "%s: %s length %" PRIu32 " not divisible by 3", path, chunk.type, chunk.len ); } pal.len = chunk.len / 3; if (pal.len > 256) { - errx( - EX_DATAERR, "%s: %s length %" PRIu32 " > 256", - path, chunk.type, pal.len - ); + errx(1, "%s: %s length %" PRIu32 " > 256", path, chunk.type, pal.len); } pngRead(pal.rgb, chunk.len, "palette data"); crcRead(); @@ -362,10 +348,7 @@ static void palWrite(void) { static void transRead(struct Chunk chunk) { trans.len = chunk.len; if (trans.len > 256) { - errx( - EX_DATAERR, "%s: %s length %" PRIu32 " > 256", - path, chunk.type, trans.len - ); + errx(1, "%s: %s length %" PRIu32 " > 256", path, chunk.type, trans.len); } pngRead(trans.a, chunk.len, "transparency data"); crcRead(); @@ -388,7 +371,7 @@ static uint8_t *data; static void dataAlloc(void) { data = malloc(dataLen); - if (!data) err(EX_OSERR, "malloc"); + if (!data) err(1, "malloc"); } static const char *humanize(size_t n) { @@ -408,15 +391,15 @@ static void dataRead(struct Chunk chunk) { z_stream stream = { .next_out = data, .avail_out = dataLen }; int error = inflateInit(&stream); - if (error != Z_OK) errx(EX_SOFTWARE, "inflateInit: %s", stream.msg); + if (error != Z_OK) errx(1, "inflateInit: %s", stream.msg); for (;;) { if (strcmp(chunk.type, "IDAT")) { - errx(EX_DATAERR, "%s: missing IDAT chunk", path); + errx(1, "%s: missing IDAT chunk", path); } uint8_t *idat = malloc(chunk.len); - if (!idat) err(EX_OSERR, "malloc"); + if (!idat) err(1, "malloc"); pngRead(idat, chunk.len, "image data"); crcRead(); @@ -428,7 +411,7 @@ static void dataRead(struct Chunk chunk) { if (error == Z_STREAM_END) break; if (error != Z_OK) { - errx(EX_DATAERR, "%s: inflate: %s", path, stream.msg); + errx(1, "%s: inflate: %s", path, stream.msg); } chunk = chunkRead(); @@ -436,7 +419,7 @@ static void dataRead(struct Chunk chunk) { inflateEnd(&stream); if ((size_t)stream.total_out != dataLen) { errx( - EX_DATAERR, "%s: expected data length %zu, found %zu", + 1, "%s: expected data length %zu, found %zu", path, dataLen, (size_t)stream.total_out ); } @@ -461,11 +444,11 @@ static void dataWrite(void) { int error = deflateInit2( &stream, Z_BEST_COMPRESSION, Z_DEFLATED, 15, 8, Z_FILTERED ); - if (error != Z_OK) errx(EX_SOFTWARE, "deflateInit2: %s", stream.msg); + if (error != Z_OK) errx(1, "deflateInit2: %s", stream.msg); uLong bound = deflateBound(&stream, dataLen); uint8_t *buf = malloc(bound); - if (!buf) err(EX_OSERR, "malloc"); + if (!buf) err(1, "malloc"); stream.next_out = buf; stream.avail_out = bound; @@ -566,7 +549,7 @@ static void dataFilter(void) { uint8_t *filter[FilterCap]; for (enum Filter i = None; i < FilterCap; ++i) { filter[i] = malloc(lineLen); - if (!filter[i]) err(EX_OSERR, "malloc"); + if (!filter[i]) err(1, "malloc"); } for (uint32_t y = header.height-1; y < header.height; --y) { uint32_t heuristic[FilterCap] = {0}; @@ -838,7 +821,7 @@ static void optimize(const char *inPath, const char *outPath) { if (inPath) { path = inPath; file = fopen(path, "r"); - if (!file) err(EX_NOINPUT, "%s", path); + if (!file) err(1, "%s", path); } else { path = "stdin"; file = stdin; @@ -847,11 +830,11 @@ static void optimize(const char *inPath, const char *outPath) { sigRead(); struct Chunk ihdr = chunkRead(); if (strcmp(ihdr.type, "IHDR")) { - errx(EX_DATAERR, "%s: expected IHDR, found %s", path, ihdr.type); + errx(1, "%s: expected IHDR, found %s", path, ihdr.type); } headerRead(ihdr); if (header.interlace != Progressive) { - errx(EX_CONFIG, "%s: unsupported interlacing", path); + errx(1, "%s: unsupported interlacing", path); } palClear(); @@ -888,10 +871,10 @@ static void optimize(const char *inPath, const char *outPath) { if (outPath == inPath) { snprintf(buf, sizeof(buf), "%so", outPath); file = fopen(buf, "wx"); - if (!file) err(EX_CANTCREAT, "%s", buf); + if (!file) err(1, "%s", buf); } else { file = fopen(path, "w"); - if (!file) err(EX_CANTCREAT, "%s", outPath); + if (!file) err(1, "%s", outPath); } } else { path = "stdout"; @@ -907,11 +890,11 @@ static void optimize(const char *inPath, const char *outPath) { dataWrite(); free(data); int error = fclose(file); - if (error) err(EX_IOERR, "%s", path); + if (error) err(1, "%s", path); if (outPath && outPath == inPath) { error = rename(buf, outPath); - if (error) err(EX_CANTCREAT, "%s", outPath); + if (error) err(1, "%s", outPath); } } @@ -927,7 +910,7 @@ int main(int argc, char *argv[]) { break; case 'g': discardColor = true; break; case 'o': outPath = optarg; break; case 'v': verbose = true; - break; default: return EX_USAGE; + break; default: return 1; } } -- cgit 1.4.1