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kolibrios/programs/develop/ktcc/libc.obj/source/stdio/vfprintf.c
Andrew 4f450aa637
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develop/ktcc: Post-SVN tidy
- Move source code from `trunk` into program root directory.
- Update build files and include paths.
- Note: Line endings standardised from `CRLF` > `LF`, so best to view diffs with whitespace changes hidden.
2025-05-24 11:58:48 +01:00

33 lines
586 B
C

#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <limits.h>
int vfprintf(FILE * file, const char *format, va_list arg)
{
static char *buf=NULL;
int printed=0, rc = 0;
if(!file){
errno = EBADF;
return errno;
}
if(!format){
errno = EINVAL;
return errno;
}
buf = malloc(STDIO_MAX_MEM);
if(!buf){
errno = ENOMEM;
return errno;
}
printed = vsnprintf(buf, STDIO_MAX_MEM, format,arg);
rc = fwrite(buf, sizeof(char), printed, file);
free(buf);
return rc;
}