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common.c
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common.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <unistd.h>
#include <time.h>
#include <sys/times.h>
#include "common.h"
/****************************************************************************/
/* nc_error */
/* Outputs an error message to stderr and exits. */
void nc_error (const char* msg, ...)
{
va_list the_args;
va_start(the_args,msg);
fprintf(stderr,"%s: ",PROGRAM_NAME);
vfprintf(stderr,msg,the_args);
fprintf(stderr,"\n");
va_end(the_args);
exit(1);
}
/****************************************************************************/
/* nc_warning */
/* Emits a warning, but doesn't terminate. */
void nc_warning (const char* msg, ...)
{
va_list the_args;
va_start(the_args,msg);
fprintf(stderr,"%s warning: ",PROGRAM_NAME);
vfprintf(stderr,msg,the_args);
fprintf(stderr,"\n");
va_end(the_args);
}
int strtoint(char *num) {
int i, len;
int result = 0;
len = strlen(num);
for(i=0; i<len; i++)
result = result * 10 + ( num[i] - '0' );
return result;
}
char* ftokstr(char *str, int ins, char delim)
{
int len = strlen(str), i = 0, c_delim = 0;
char *tok = malloc(len+1);
for (int j = 0; i < len && c_delim <= ins; i++){
if(str[i] == delim && c_delim != ins){
*tok = '\0';
c_delim++; j = 0;
}else if(str[i] == delim){
c_delim++; *(tok+j) = '\0';
}
else{
*(tok+j) = str[i];
j++;
}
}
return i == len && ins > c_delim ? NULL : tok;
}
char* bltokstr(char *str, int ins, char delim){
int len = strlen(str), pos, i = 0, c_delim = 0;
char *tok = malloc(len+1);
for (pos = len-1; pos >= 0 && c_delim <= ins; pos--){
if (str[pos] == delim){
if (c_delim == ins)
break;
c_delim++;
}
}
if(str[pos] == delim){
for (i = 0; i < pos; i++)
*(tok+i) = *(str+i);
}
*(tok+i) = '\0';
return tok;
}
char* ltokstr(char *str, int ins, char delim){
int len = strlen(str), pos, i = 0, c_delim = 0;
char *tok = malloc(len+1);
for (pos = 0; pos < len && c_delim <= ins; pos++){
if (str[pos] == delim){
if (c_delim == ins)
break;
c_delim++;
}
}
if(str[pos] == delim){
for (i = 0; i < len && pos+1 < len; i++, pos++)
*(tok+i) = *(str+pos+1);
}
*(tok+i) = '\0';
return tok;
}
/****************************************************************************/
/* Wrapper functions for memory allocation. */
void* MYmalloc(size_t size)
{
//printf("size: %lu\n", size);
void * m;
if (!(m = malloc(size))) nc_error("MYmalloc memory allocation rejected!");
return m;
}
void* MYcalloc(size_t size)
{
void * m;
if (!(m = calloc(size, 1))) nc_error("MYcalloc memory allocation rejected!");
memset(m,0,size);
return m;
}
void* MYrealloc(void *ptr, size_t size)
{
void *r;
if (!(r = realloc(ptr,size))) nc_error("MYrealloc memory allocation rejected!");
return r;
}
char* MYstrdup(char *string)
{
char *str;
if (!(str = strdup(string))) nc_error("MYstrdup memory allocation rejected!");
return str;
}