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snprintf now working! (fixed problem will calls inside calls)

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This commit is contained in:
pommicket 2022-02-14 11:39:33 -05:00
parent 1f9534d750
commit f7a8a193c2
5 changed files with 44 additions and 8 deletions
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25
05/stdio.h
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@ -1,6 +1,11 @@
#ifndef _STDIO_H
#define _STDIO_H
#include <stdc_common.h>
#include <stdarg.h>
int printf(const char *, ...);
/* --- snprintf, adapted from github.com/nothings/stb stb_sprintf.h */
#ifndef STB_SPRINTF_MIN
@ -1113,6 +1118,7 @@ typedef struct stbsp__context {
static char *stbsp__clamp_callback(const char *buf, void *user, int len)
{
stbsp__context *c = (stbsp__context *)user;
c->length += len;
if (len > c->count)
@ -1150,7 +1156,6 @@ char * stbsp__count_clamp_callback( const char * buf, void * user, int len )
int vsnprintf( char * buf, int count, char const * fmt, va_list va )
{
stbsp__context c;
if ( (count == 0) && !buf )
{
c.length = 0;
@ -1165,7 +1170,7 @@ int vsnprintf( char * buf, int count, char const * fmt, va_list va )
c.count = count;
c.length = 0;
STB_SPRINTF_DECORATE( vsprintfcb )( stbsp__clamp_callback, &c, stbsp__clamp_callback(0,&c,0), fmt, va );
__vsprintfcb( stbsp__clamp_callback, &c, stbsp__clamp_callback(0,&c,0), fmt, va );
// zero-terminate
l = (int)( c.buf - buf );
@ -1545,3 +1550,19 @@ static int32_t stbsp__real_to_str(char const **start, uint32_t *len, char *out,
#undef stbsp__ddmultlos
#undef STBSP__SPECIAL
#undef STBSP__COPYFP
int __fd_puts(int fd, const char *s) {
return write(fd, s, strlen(s));
}
int printf(const char *fmt, ...) {
// @TODO: use a callback with __vsnprintfcb
va_list args;
char buf[2000];
va_start(args, fmt);
vsprintf(buf, fmt, args);
va_end(args);
return __fd_puts(1, buf);
}
#endif // _STDIO_H