[Add] Support for non POSIX systems with open/read/write in packfile system
This commit is contained in:
Allanis
parent
5841d23f54
commit
a296bd7aa0
@ -99,7 +99,7 @@ int main(int argc, char** argv) {
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// See if the data file is valid.
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if(pack_check(data)) {
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ERR("Data file '%s' not found", data);
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ERR("Data file '%s' not found", DATA);
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WARN("You can specify what data file you want to use with '-d'");
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WARN("See -h or -- help for more infoamtion.");
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SDL_Quit();
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16
src/music.c
16
src/music.c
@ -8,8 +8,9 @@
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#include "pack.h"
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#include "music.h"
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#define MUSIC_PLAYING (2<<0)
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#define MUSIC_KILL (9<<0)
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#define MUSIC_STOPPED (1<<1)
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#define MUSIC_PLAYING (1<<2)
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#define MUSIC_KILL (1<<9)
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#define music_is(f) (music_state & f)
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#define music_set(f) (music_state |= f)
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#define music_rm(f) (music_state ^= f)
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@ -71,6 +72,7 @@ int music_thread(void* unused) {
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// Main loop.
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while(!music_is(MUSIC_KILL)) {
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if(music_is(MUSIC_PLAYING)) {
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music_rm(MUSIC_STOPPED);
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SDL_mutexP(music_vorbis_lock); // Lock the mutex.
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SDL_mutexP(sound_lock);
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@ -113,6 +115,7 @@ int music_thread(void* unused) {
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SDL_mutexV(sound_lock);
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SDL_mutexV(music_vorbis_lock);
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}
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music_set(MUSIC_STOPPED);
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SDL_Delay(0); // We must not kill resources.
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}
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return 0;
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@ -135,6 +138,10 @@ static int stream_loadBuffer(ALuint buffer) {
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§ion); // Current bitstream.
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if(result == 0) return 1;
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else if(result == OV_HOLE)
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WARN("OGG: Vorbis hole detected in music!");
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else if(result == OV_EBADLINK)
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WARN("OGG: Invalid stream section or corrupt link in music!");
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size += result;
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if(size == BUFFER_SIZE) break; // Buffer is full.
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@ -148,7 +155,7 @@ static int stream_loadBuffer(ALuint buffer) {
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int music_init(void) {
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music_vorbis_lock = SDL_CreateMutex();
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music_find();
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music_vorbis.file.fd = 0; // Indication that it's not loaded..
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music_vorbis.file.end = 0; // Indication that it's not loaded..
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SDL_mutexP(sound_lock);
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@ -235,7 +242,7 @@ static int music_find(void) {
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static void music_free(void) {
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SDL_mutexP(music_vorbis_lock);
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if(music_vorbis.file.fd != 0) {
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if(music_vorbis.file.end != 0) {
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ov_clear(&music_vorbis.stream);
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pack_close(&music_vorbis.file);
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}
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@ -257,6 +264,7 @@ void music_load(const char* name) {
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char tmp[64];
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music_stop();
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while(!music_is(MUSIC_STOPPED)) SDL_Delay(0);
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for(i = 0; i < nmusic_selection; i++)
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if(strcmp(music_selection[i], name)==0) {
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187
src/pack.c
187
src/pack.c
@ -43,6 +43,7 @@ const uint64_t magic = 0x25524573; // sER%
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// Grab the filesize.
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static off_t getfilesize(const char* filename) {
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#ifdef _POSIX_SOURCE
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struct stat file;
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if(!stat(filename, &file))
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@ -50,46 +51,94 @@ static off_t getfilesize(const char* filename) {
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ERR("Unable to get filesize of %s", filename);
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return 0;
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#else
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long size;
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FILE* fp = fopen(filename, "rb");
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if(fp == NULL) return 0;
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fseek(fp, 0, SEEK_END);
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size = ftell(fp);
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fclose(fp);
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return size;
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#endif
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}
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// Return true if filename is a Packfile.
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int pack_check(const char* filename) {
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int ret;
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char* buf;
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buf = malloc(sizeof(magic));
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#ifdef _POSIX_SOURCE
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int fd = open(filename, O_RDONLY);
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if(fd == -1) {
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ERR("Error opening %s: %s", filename, strerror(errno));
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return -1;
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}
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char* buf = malloc(sizeof(magic));
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if(read(fd, buf, sizeof(magic)) != sizeof(magic)) {
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ERR("Error reading magic number: %s", strerror(errno));
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free(buf);
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return -1;
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}
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ret = (memcmp(buf, &magic, sizeof(magic))==0) ? 0 : 1;
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close(fd);
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#else
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FILE* file = fopen(filename, "rb");
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if(file == NULL) {
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ERR("Error opening '%s': %s", filename, strerror(errno));
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return -1;
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}
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buf = malloc(sizeof(magic));
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if(fread(buf, 1, sizeof(magic), file) != sizeof(magic)) {
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ERR("Error reading magic number: %s", strerror(errno));
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free(buf);
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return -1;
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}
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ret = (memcmp(buf, &magic, sizeof(magic))==0) ? 0 : 1;
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fclose(file);
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#endif
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int ret = (memcmp(buf, &magic, sizeof(magic))==0) ? 0 : 1;
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free(buf);
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return ret;
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}
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// Pack nfiles, infiles into outfile.
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#define WRITE(f,b,n) if(write(f,b,n)==-1) { \
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#ifdef _POSIX_SOURCE
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#define WRITE(b,n) if(write(outfd, b, n)==-1) { \
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ERR("Error writing to file: %s", strerror(errno)); \
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free(buf); return -1; }
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#else
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#define WRITE(b,n) if(fwrite(b, 1, n, outf)==0) { \
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ERR("Error writing to file: %s", strerror(errno)); \
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free(buf); return -1; }
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#endif
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int pack_files(const char* outfile, const char** infiles, const uint32_t nfiles) {
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void* buf;
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#ifdef _POSIX_SOURCE
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struct stat file;
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int outfd, infd;
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#else
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FILE* outf, *inf;
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#endif
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uint32_t i;
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int namesize;
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int outfd, infd;
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uint32_t indexsize, pointer;
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int bytes;
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const uint8_t b = '\0';
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for(namesize = 0, i = 0; i < nfiles; i++) {
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// Make sure file exists before writing.
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#ifdef _POSIX_SOURCE
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if(stat(infiles[i], &file)) {
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#else
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if(getfilesize(infiles[i]) == 0) {
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#endif
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ERR("File %s does not exist", infiles[i]);
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return -1;
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}
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@ -106,8 +155,13 @@ int pack_files(const char* outfile, const char** infiles, const uint32_t nfiles)
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DEBUG("Index size is %d", indexsize);
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// Create the output file.
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#ifdef _POSIX_SOURCE
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outfd = creat(outfile, PERMS);
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if(outfd == -1) {
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#else
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outf = fopen(outfile, "wb");
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if(outf == NULL) {
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#endif
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ERR("Unable to open %s for writing", outfile);
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return -1;
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}
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@ -116,18 +170,18 @@ int pack_files(const char* outfile, const char** infiles, const uint32_t nfiles)
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buf = malloc(BLOCKSIZE);
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// Magic number.
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WRITE(outfd, &magic, sizeof(magic));
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WRITE(&magic, sizeof(magic));
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DEBUG("Wrote magic number");
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// Number of files.
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WRITE(outfd, &nfiles, sizeof(nfiles));
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WRITE(&nfiles, sizeof(nfiles));
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DEBUG("Wrote number of files: %d", nfiles);
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// Create file dependent index part.
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pointer = indexsize;
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for(i = 0; i < nfiles; i++) {
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WRITE(outfd, infiles[i], strlen(infiles[i]));
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WRITE(infiles[i], strlen(infiles[i]));
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DEBUG("File: '%s' at %d", infiles[i], pointer);
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WRITE(outfd, &b, 1);
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WRITE(outfd, &pointer, 4);
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WRITE(&b, 1);
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WRITE(&pointer, 4);
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pointer += 4 + getfilesize(infiles[i]) + 16; // Set pointer to be next file pos.
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}
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@ -136,22 +190,35 @@ int pack_files(const char* outfile, const char** infiles, const uint32_t nfiles)
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md5_byte_t* md5val = malloc(16);
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for(i = 0; i < nfiles; i++) {
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bytes = (uint32_t)getfilesize(infiles[i]);
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WRITE(outfd, &bytes, 4); // filesize.
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WRITE(&bytes, 4); // filesize.
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DEBUG("About to write '%s' of %d bytes", infiles[i], bytes);
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infd = open(infiles[i], O_RDONLY);
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md5_init(&md5);
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#ifdef _POSIX_SOURCE
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infd = open(infiles[i], O_RDONLY);
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while((bytes = read(infd, buf, BLOCKSIZE))) {
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WRITE(outfd, buf, bytes); // Data.
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#else
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nf = fopen(infiles[i], "rb");
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while((bytes = fread(buf, 1, BLOCKSIZE, inf))) {
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#endif
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WRITE(buf, bytes); // Data.
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md5_append(&md5, buf, bytes);
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}
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md5_finish(&md5, md5val);
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WRITE(outfd, md5val, 16);
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WRITE(md5val, 16);
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#ifdef _POSIX_SOURCE
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close(infd);
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#else
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fclose(inf);
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#endif
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DEBUG("Wrote file '%s'", infiles[i]);
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}
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free(md5val);
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#ifdef _POSIX_SOURCE
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close(outfd);
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#else
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fclose(outf);
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#endif
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free(buf);
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DEBUG("Packfile success\n\t%d files\n\t%d bytes", nfiles, (int)getfilesize(outfile));
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@ -160,9 +227,15 @@ int pack_files(const char* outfile, const char** infiles, const uint32_t nfiles)
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#undef WRITE
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// Opens the filename in packfile for reading.
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#define READ(f,b,n) if(read(f,b,n) != n) { \
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#ifdef _POSIX_SOURCE
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#define READ(b,n) if(read(file->fd, (b), (n))!=(n)) { \
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ERR("Too few bytes read. Expected more."); \
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free(buf); return -1; }
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#else
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#define READ(b,n) if(fread((b), 1, (n), file->fp)!=(n)) { \
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ERR("Fewer bytes read then expected"); \
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free(buf); return -1; }
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#endif
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int pack_open(Packfile* file, const char* packfile, const char* filename) {
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int j;
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uint32_t nfiles, i;
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@ -170,46 +243,57 @@ int pack_open(Packfile* file, const char* packfile, const char* filename) {
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file->start = file->end = 0;
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#ifdef _POSIX_SOURCE
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file->fd = open(packfile, O_RDONLY);
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if(file->fd == -1) {
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#else
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file->fp = fopen(packfile, "rb");
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if(file->fp == NULL) {
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#endif
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ERR("Error opening %s: %s", filename, strerror(errno));
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return -1;
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}
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READ(file->fd, buf, sizeof(magic)); // Make sure it's a packfile.
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READ(buf, sizeof(magic)); // Make sure it's a packfile.
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if(memcmp(buf, &magic, sizeof(magic))) {
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ERR("File %s is not a valid packfile", filename);
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return -1;
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}
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READ(file->fd, &nfiles, 4);
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READ(&nfiles, 4);
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for(i = 0; i < nfiles; i++) {
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// Start to search files.
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j = 0;
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READ(file->fd, &buf[j], 1); // Get the name.
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READ(&buf[j], 1); // Get the name.
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while(buf[j++] != '\0')
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READ(file->fd, &buf[j], 1);
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READ(&buf[j], 1);
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if(strcmp(filename, buf) == 0) {
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// We found the file.
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READ(file->fd, &file->start, 4);
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READ(&file->start, 4);
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DEBUG("'%s' found at %d", filename, file->start);
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break;
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}
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#ifdef _POSIX_SOURCE
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lseek(file->fd, 4, SEEK_CUR); // Ignore the file location.
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#else
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fseek(file->fp, 4, SEEK_CUR);
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#endif
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}
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free(buf);
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if(file->start) {
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// Go to the beginning of the file.
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#ifdef _POSIX_SOURCE
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if((uint32_t)lseek(file->fd, file->start, SEEK_SET) != file->start) {
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#else
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fseek(file->fp, file->start, SEEK_SET);
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if(errno) {
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#endif
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ERR("Failure to seek to file start: %s", strerror(errno));
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return -1;
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}
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if(read(file->fd, &file->end, 4) != 4) {
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ERR("Too few bytes read. Expected more.");
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return -1;
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}
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READ(&file->end, 4);
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DEBUG("\t%d bytes", file->end);
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file->pos = file->start;
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file->end += file->start;
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@ -228,7 +312,11 @@ ssize_t pack_read(Packfile* file, void* buf, size_t count) {
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int bytes;
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#ifdef _POSIX_SOURCE
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if((bytes = read(file->fd, buf, count)) == -1) {
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#else
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if((byts = freed(buf, 1, count, file->fp)) == -1) {
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#endif
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ERR("Error while reading file: %s", strerror(errno));
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return -1;
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}
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@ -270,8 +358,12 @@ void* pack_readfile(const char* packfile, const char* filename, uint32_t* filesi
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md5_byte_t* md5fd = malloc(16);
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md5_init(&md5);
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md5_append(&md5, buf, bytes);
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md5_finish(&md5, md5val);;
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md5_finish(&md5, md5val);
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#ifdef _POSIX_SOURCE
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if((bytes = read(file->fd, md5fd, 16)) == -1)
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#else
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if((bytes = fread(md5fd, 1, 16, file->fp)) == -1)
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#endif
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WARN("Failure to read MD5, continuing anyway..");
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else if(memcmp(md5val, md5fd, 16))
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WARN("MD5 gives different value, possible memory corruption, continuing..");
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@ -295,46 +387,75 @@ void* pack_readfile(const char* packfile, const char* filename, uint32_t* filesi
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// Load the filenames int the packfile to filenames.
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// filenames should be freed after use
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// On error if filenames is (char**)-1.
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#define READ(f,b,n) if(read(f,b,n)!=n) { ERR("Too few bytes read. Expected more."); return NULL; }
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#ifdef _POSIX_SOURCE
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#define READ(b,n) if(read(fd, (b), (n))!=(n)) { \
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ERR("Too few bytes read"); \
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return NULL; }
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#else
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#define READ(b,n) if(fread((b), 1, (n), fp) != (n)) { \
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ERR("Too few bytes read"); \
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return NULL; }
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#endif
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char** pack_listfiles(const char* packfile, uint32_t* nfiles) {
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int fd, j;
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#ifdef _POSIX_SOURCE
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int fd;
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#else
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FILE* fp;
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#endif
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int j;
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uint32_t i;
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char** filenames;
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char* buf = malloc(sizeof(magic));
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*nfiles = 0;
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#ifdef _POSIX_SOURCE
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fd = open(packfile, O_RDONLY);
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if(fd == -1) {
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#else
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fp = fopen(packfile, "rb");
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if(fp == NULL) {
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#endif
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ERR("opening %s: %s", packfile, strerror(errno));
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return NULL;
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}
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READ(fd, buf, sizeof(magic)); // Make sure it is a packfile.
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READ(buf, sizeof(magic)); // Make sure it is a packfile.
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if(memcmp(buf, &magic, sizeof(magic))) {
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ERR("File %s is not a valid packfile", packfile);
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return NULL;
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}
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READ(fd, nfiles, 4);
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READ(nfiles, 4);
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filenames = malloc(((*nfiles)+1)*sizeof(char*));
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for(i = 0; i < *nfiles; i++) {
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// Start searching files.
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j = 0;
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filenames[i] = malloc(MAX_FILENAME * sizeof(char));
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READ(fd, &filenames[i][j], 1); // Get the name.
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READ(&filenames[i][j], 1); // Get the name.
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while(filenames[i][j++] != '\0')
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READ(fd, &filenames[i][j], 1);
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READ(fd, buf, 4); // skip the location.
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READ(&filenames[i][j], 1);
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READ(buf, 4); // skip the location.
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}
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free(buf);
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#ifdef _POSIX_SOURCE
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close(fd);
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#else
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fclose(fp);
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#endif
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return filenames;
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}
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#undef READ
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// Close the packfile.
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int pack_close(Packfile* file) {
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int i = close(file->fd);
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int i;
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#ifdef _POSIX_SOURCE
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i = close(file->fd);
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#else
|
||||
i = fclose(file->fp);
|
||||
#endif
|
||||
return (i) ? -1 : 0;
|
||||
}
|
||||
|
||||
|
||||
@ -1,9 +1,16 @@
|
||||
#pragma once
|
||||
#include <fcntl.h>
|
||||
#ifndef _POSIX_SOURCE // No posix.
|
||||
#include <stdio.h>
|
||||
#endif
|
||||
#include <stdint.h>
|
||||
|
||||
typedef struct {
|
||||
#ifdef _POSIX_SOURCE
|
||||
int fd; // File descriptor.
|
||||
#else
|
||||
FILE* fp;
|
||||
#endif
|
||||
uint32_t pos; // position.
|
||||
uint32_t start, end; // file limits.
|
||||
} Packfile;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user