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libc: io: implement (v)fprintf

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max 🍓
2026-05-31 17:20:57 +01:00
parent c9a87457b8
commit d47260dd13
5 changed files with 48 additions and 17 deletions
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lib/libc/io/stdio/vprintf.c
+3 -15
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@@ -1,7 +1,7 @@
#include "file.h"
#include <stddef.h>
#include <errno.h>
#include <stddef.h>
#include <stdio.h>
extern int __libc_fctprintf(
@@ -11,7 +11,7 @@ extern int __libc_fctprintf(
va_list va);
extern int __fputc(int c, struct __opaque_file *stream);
static inline int _out_file(char character, void *arg)
static inline int _out_file(char character, void *arg)
{
FILE *fp = arg;
return __fputc(character, fp);
@@ -19,17 +19,5 @@ static inline int _out_file(char character, void *arg)
int vprintf(const char *format, va_list arg)
{
__libc_file_lock(stdout);
int ret = __libc_fctprintf(_out_file, stdout, format, arg);
if (errno != SUCCESS) {
ret = -1;
}
if (ferror(stdout)) {
ret = -1;
}
__libc_file_unlock(stdout);
return ret;
return vfprintf(stdout, format, arg);
}