diff options
Diffstat (limited to 'vorbis/lib/misc.c')
| -rw-r--r-- | vorbis/lib/misc.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/vorbis/lib/misc.c b/vorbis/lib/misc.c new file mode 100644 index 0000000..cf2f1ee --- /dev/null +++ b/vorbis/lib/misc.c @@ -0,0 +1,216 @@ +/******************************************************************** + * * + * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * + * * + * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 * + * by the Xiph.Org Foundation http://www.xiph.org/ * + * * + ********************************************************************/ + +#define HEAD_ALIGN 32 +#include <pthread.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include "vorbis/codec.h" +#define MISC_C +#include "misc.h" +#include <sys/time.h> + +static pthread_mutex_t memlock=PTHREAD_MUTEX_INITIALIZER; +static void **pointers=NULL; +static long *insertlist=NULL; /* We can't embed this in the pointer list; + a pointer can have any value... */ + +static char **files=NULL; +static long *file_bytes=NULL; +static int filecount=0; + +static int ptop=0; +static int palloced=0; +static int pinsert=0; + +typedef struct { + char *file; + long line; + long ptr; + long bytes; +} head; + +long global_bytes=0; +long start_time=-1; + +static void *_insert(void *ptr,long bytes,char *file,long line){ + ((head *)ptr)->file=file; + ((head *)ptr)->line=line; + ((head *)ptr)->ptr=pinsert; + ((head *)ptr)->bytes=bytes-HEAD_ALIGN; + + pthread_mutex_lock(&memlock); + if(pinsert>=palloced){ + palloced+=64; + if(pointers){ + pointers=(void **)realloc(pointers,sizeof(void **)*palloced); + insertlist=(long *)realloc(insertlist,sizeof(long *)*palloced); + }else{ + pointers=(void **)malloc(sizeof(void **)*palloced); + insertlist=(long *)malloc(sizeof(long *)*palloced); + } + } + + pointers[pinsert]=ptr; + + if(pinsert==ptop) + pinsert=++ptop; + else + pinsert=insertlist[pinsert]; + +#ifdef _VDBG_GRAPHFILE + { + FILE *out; + struct timeval tv; + static struct timezone tz; + int i; + char buffer[80]; + gettimeofday(&tv,&tz); + + for(i=0;i<filecount;i++) + if(!strcmp(file,files[i]))break; + + if(i==filecount){ + filecount++; + if(!files){ + files=malloc(filecount*sizeof(*files)); + file_bytes=malloc(filecount*sizeof(*file_bytes)); + }else{ + files=realloc(files,filecount*sizeof(*files)); + file_bytes=realloc(file_bytes,filecount*sizeof(*file_bytes)); + } + files[i]=strdup(file); + file_bytes[i]=0; + } + + file_bytes[i]+=bytes-HEAD_ALIGN; + + if(start_time==-1)start_time=(tv.tv_sec*1000)+(tv.tv_usec/1000); + + snprintf(buffer,80,"%s%s",file,_VDBG_GRAPHFILE); + out=fopen(buffer,"a"); + fprintf(out,"%ld, %ld\n",-start_time+(tv.tv_sec*1000)+(tv.tv_usec/1000), + file_bytes[i]-(bytes-HEAD_ALIGN)); + fprintf(out,"%ld, %ld # FILE %s LINE %ld\n", + -start_time+(tv.tv_sec*1000)+(tv.tv_usec/1000), + file_bytes[i],file,line); + fclose(out); + + out=fopen(_VDBG_GRAPHFILE,"a"); + fprintf(out,"%ld, %ld\n",-start_time+(tv.tv_sec*1000)+(tv.tv_usec/1000), + global_bytes); + fprintf(out,"%ld, %ld\n",-start_time+(tv.tv_sec*1000)+(tv.tv_usec/1000), + global_bytes+(bytes-HEAD_ALIGN)); + fclose(out); + } +#endif + + global_bytes+=(bytes-HEAD_ALIGN); + + pthread_mutex_unlock(&memlock); + return(ptr+HEAD_ALIGN); +} + +static void _ripremove(void *ptr){ + int insert; + pthread_mutex_lock(&memlock); + +#ifdef _VDBG_GRAPHFILE + { + FILE *out=fopen(_VDBG_GRAPHFILE,"a"); + struct timeval tv; + static struct timezone tz; + char buffer[80]; + char *file =((head *)ptr)->file; + long bytes =((head *)ptr)->bytes; + int i; + + gettimeofday(&tv,&tz); + fprintf(out,"%ld, %ld\n",-start_time+(tv.tv_sec*1000)+(tv.tv_usec/1000), + global_bytes); + fprintf(out,"%ld, %ld\n",-start_time+(tv.tv_sec*1000)+(tv.tv_usec/1000), + global_bytes-((head *)ptr)->bytes); + fclose(out); + + for(i=0;i<filecount;i++) + if(!strcmp(file,files[i]))break; + + snprintf(buffer,80,"%s%s",file,_VDBG_GRAPHFILE); + out=fopen(buffer,"a"); + fprintf(out,"%ld, %ld\n",-start_time+(tv.tv_sec*1000)+(tv.tv_usec/1000), + file_bytes[i]); + fprintf(out,"%ld, %ld\n",-start_time+(tv.tv_sec*1000)+(tv.tv_usec/1000), + file_bytes[i]-bytes); + fclose(out); + + file_bytes[i]-=bytes; + + } +#endif + + global_bytes-=((head *)ptr)->bytes; + + insert=((head *)ptr)->ptr; + insertlist[insert]=pinsert; + pinsert=insert; + + if(pointers[insert]==NULL){ + fprintf(stderr,"DEBUGGING MALLOC ERROR: freeing previously freed memory\n"); + fprintf(stderr,"\t%s %ld\n",((head *)ptr)->file,((head *)ptr)->line); + } + + if(global_bytes<0){ + fprintf(stderr,"DEBUGGING MALLOC ERROR: freeing unmalloced memory\n"); + } + + pointers[insert]=NULL; + pthread_mutex_unlock(&memlock); +} + +void _VDBG_dump(void){ + int i; + pthread_mutex_lock(&memlock); + for(i=0;i<ptop;i++){ + head *ptr=pointers[i]; + if(ptr) + fprintf(stderr,"unfreed bytes from %s:%ld\n", + ptr->file,ptr->line); + } + + pthread_mutex_unlock(&memlock); +} + +void *_VDBG_malloc(void *ptr,long bytes,char *file,long line){ + if(bytes<=0) + fprintf(stderr,"bad malloc request (%ld bytes) from %s:%ld\n",bytes,file,line); + + bytes+=HEAD_ALIGN; + if(ptr){ + ptr-=HEAD_ALIGN; + _ripremove(ptr); + ptr=realloc(ptr,bytes); + }else{ + ptr=malloc(bytes); + memset(ptr,0,bytes); + } + return _insert(ptr,bytes,file,line); +} + +void _VDBG_free(void *ptr,char *file,long line){ + if(ptr){ + ptr-=HEAD_ALIGN; + _ripremove(ptr); + free(ptr); + } +} + |