stdio: stdin/stdout/stderr, perror, final adjustments

Support for <stdio.h> will stop here for now.
This commit is contained in:
Lephenixnoir 2022-01-14 18:38:48 +01:00
parent ed873a652e
commit 71866ed769
Signed by untrusted user: Lephenixnoir
GPG Key ID: 1BBA026E13FC0495
5 changed files with 50 additions and 15 deletions

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@ -143,6 +143,7 @@ set(SOURCES
src/libc/stdio/getc.c
src/libc/stdio/getchar.c
src/libc/stdio/gets.c
src/libc/stdio/perror.c
src/libc/stdio/printf.c
src/libc/stdio/printf/format_fixed.c
src/libc/stdio/printf/format_fp.c
@ -158,6 +159,7 @@ set(SOURCES
src/libc/stdio/setvbuf.c
src/libc/stdio/snprintf.c
src/libc/stdio/sprintf.c
src/libc/stdio/streams.c
src/libc/stdio/ungetc.c
src/libc/stdio/vasprintf.c
src/libc/stdio/vdprintf.c

28
STATUS
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@ -84,8 +84,8 @@ TEST: Function/symbol/macro needs to be tested
7.18 <stdint.h> => GCC
7.19 <stdio.h>
7.19.1 Introduction TEST (no wide-oriented streams *)
7.19.1 stdin, stdout, stderr TODO
7.19.1 Introduction - (no wide-oriented streams *)
7.19.1 stdin, stdout, stderr -
7.19.4.1 remove TEST
7.19.4.2 rename TODO
@ -93,42 +93,42 @@ TEST: Function/symbol/macro needs to be tested
7.19.4.4 tmpnam TODO
7.19.5.1 fclose -
7.19.5.2 fflush -
7.19.5.2 fflush - (fflush(NULL) not supported yet)
7.19.5.3 fopen -
(EXT) fdopen -
7.19.5.4 freopen -
7.19.5.5 setbuf -
7.19.5.6 setvbuf -
7.19.6.1 fprintf TEST
7.19.6.1 fprintf -
7.19.6.2 fscanf TODO
7.19.6.3 printf LDEPS(stdout)
7.19.6.3 printf -
7.19.6.4 scanf TODO
7.19.6.5 snprintf -
7.19.6.6 sprintf -
7.19.6.7 sscanf TODO
7.19.6.8 vfprintf TEST
7.19.6.8 vfprintf -
7.19.6.9 vfscanf TODO
7.19.6.10 vprintf LDEPS(stdout)
7.19.6.10 vprintf -
7.19.6.11 vscanf TODO
7.19.6.12 vsnprintf -
7.19.6.13 vsprintf -
7.19.6.14 vsscanf TODO
(EXT) asprintf -
(EXT) vasprintf -
(EXT) dprintf TEST
(EXT) vdprintf TEST
(EXT) dprintf -
(EXT) vdprintf -
7.19.7.1 fgetc -
7.19.7.2 fgets -
7.19.7.3 fputc -
7.19.7.4 fputs -
7.19.7.5 getc -
7.19.7.6 getchar LDEPS(stdin)
7.19.7.7 gets LDEPS(stdin)
7.19.7.6 getchar -
7.19.7.7 gets -
7.19.7.8 putc -
7.19.7.9 putchar LDEPS(stdout)
7.19.7.10 puts LDEPS(stdout)
7.19.7.9 putchar -
7.19.7.10 puts -
7.19.7.11 ungetc -
7.19.8.1 fread -
@ -143,7 +143,7 @@ TEST: Function/symbol/macro needs to be tested
7.19.10.1 clearerr -
7.19.10.2 feof -
7.19.10.3 ferror -
7.19.10.4 perror TODO
7.19.10.4 perror -
7.20 <stdlib.h>
7.20 MB_CUR_MAX TODO

15
src/libc/stdio/perror.c Normal file
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@ -0,0 +1,15 @@
#include <stdio.h>
#include <errno.h>
#include <string.h>
void perror(char const *s)
{
int errno_copy = errno;
if(s != NULL) {
fputs(s, stderr);
fputs(": ", stderr);
}
fputs(strerror(errno_copy), stderr);
fputc('\n', stderr);
}

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@ -107,7 +107,7 @@ void __printf_flush(struct __printf_output *out)
/* File pointer: output with fwrite */
else if(out->fp)
{
// fwrite(out->buffer, out->ptr - out->buffer, 1, out->fp);
fwrite(out->buffer, 1, out->ptr - out->buffer, out->fp);
}
/* File pointer: output with write */
else if(out->fd)

18
src/libc/stdio/streams.c Normal file
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@ -0,0 +1,18 @@
#include <stdio.h>
#include <unistd.h>
FILE *stdin;
FILE *stdout;
FILE *stderr;
__attribute__((constructor))
static void initialize_streams(void)
{
stdin = fdopen(STDIN_FILENO, "r");
stdout = fdopen(STDOUT_FILENO, "w");
setvbuf(stdout, NULL, _IOLBF, BUFSIZ);
stderr = fdopen(STDERR_FILENO, "w");
setvbuf(stderr, NULL, _IONBF, 0);
}