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c5e588e6e5
- Previous commits has been reported in the ChangeLog file - hg log has been lost (moved inside ChangeLog) - Old radare1 repository has removed all the libr
94 lines
1.9 KiB
C
94 lines
1.9 KiB
C
/* radare - LGPL - Copyright 2007-2009 pancake<nopcode.org> */
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#include "r_types.h"
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#include "r_util.h"
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#include <stdio.h>
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#include <sys/time.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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int r_file_exist(const char *str)
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{
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struct stat buf;
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int ret = stat(str, &buf);
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if (ret == -1)
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return R_FALSE;
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return R_TRUE;
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}
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char *r_file_slurp(const char *str, u32 *usz)
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{
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char *ret;
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long sz;
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FILE *fd = fopen(str, "r");
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if (fd == NULL)
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return NULL;
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fseek(fd, 0,SEEK_END);
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sz = ftell(fd);
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fseek(fd, 0,SEEK_SET);
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ret = (char *)malloc(sz+1);
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fread(ret, sz, 1, fd);
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ret[sz]='\0';
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fclose(fd);
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if (usz)
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*usz = (u32)sz;
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return ret;
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}
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char *r_file_slurp_range(const char *str, u64 off, u64 sz)
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{
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char *ret;
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FILE *fd = fopen(str, "r");
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if (fd == NULL)
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return NULL;
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fseek(fd, off,SEEK_SET);
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ret = (char *)malloc(sz+1);
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fread(ret, sz, 1, fd);
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ret[sz]='\0';
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fclose(fd);
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return ret;
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}
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char *r_file_slurp_random_line(const char *file)
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{
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int i, lines = 0;
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struct timeval tv;
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u32 sz;
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char *ptr, *str = r_file_slurp(file, &sz);
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if (str) {
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gettimeofday(&tv,NULL);
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srand(getpid()+tv.tv_usec);
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for(i=0;str[i];i++)
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if (str[i]=='\n')
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lines++;
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lines = (rand()%lines);
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for(i=0;str[i]&&lines;i++)
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if (str[i]=='\n')
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lines--;
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ptr = str+i;
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for(i=0;ptr[i];i++) if (ptr[i]=='\n') { ptr[i]='\0'; break; }
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ptr = strdup(ptr);
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free(str);
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}
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return ptr;
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}
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int r_file_dump(const char *file, const u8 *buf, int len)
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{
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FILE *fd = fopen(file, "wb");
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if (fd == NULL) {
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fprintf(stderr, "Cannot open '%s' for writing\n", file);
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return R_FALSE;
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}
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fwrite(buf, len, 1, fd);
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fclose(fd);
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return R_TRUE;
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}
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int r_file_rm(const char *file)
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{
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return unlink(file);
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}
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