bsnes/Windows/stdio.h

71 lines
1.4 KiB
C
Executable File

#pragma once
#include_next <stdio.h>
#include <stdlib.h>
static inline int vasprintf(char **str, const char *fmt, va_list args)
{
size_t size = _vscprintf(fmt, args) + 1;
*str = malloc(size);
int ret = vsprintf(*str, fmt, args);
if (ret != size - 1) {
free(*str);
*str = NULL;
return -1;
}
return ret;
}
/* This code is public domain -- Will Hartung 4/9/09 */
static inline size_t getline(char **lineptr, size_t *n, FILE *stream) {
char *bufptr = NULL;
char *p = bufptr;
size_t size;
int c;
if (lineptr == NULL) {
return -1;
}
if (stream == NULL) {
return -1;
}
if (n == NULL) {
return -1;
}
bufptr = *lineptr;
size = *n;
c = fgetc(stream);
if (c == EOF) {
return -1;
}
if (bufptr == NULL) {
bufptr = malloc(128);
if (bufptr == NULL) {
return -1;
}
size = 128;
}
p = bufptr;
while (c != EOF) {
if ((p - bufptr) > (size - 1)) {
size = size + 128;
bufptr = realloc(bufptr, size);
if (bufptr == NULL) {
return -1;
}
}
*p++ = c;
if (c == '\n') {
break;
}
c = fgetc(stream);
}
*p++ = '\0';
*lineptr = bufptr;
*n = size;
return p - bufptr - 1;
}
#define snprintf _snprintf