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LibC: Minor changes to make nasm work

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* Added some missing macros to headers
 * Stubbed strftime() time function to not assert
 * Added "rt" mode to fopen(), working just like "r" or "rb"
This commit is contained in:
Paweł Cholewa 2019-11-08 21:39:31 +01:00 committed by Andreas Kling
parent aba6e6de6a
commit c2a8c4cedd
Notes: sideshowbarker 2024-07-19 11:18:34 +09:00 
Author: https://github.com/Mcpg 🔰
Commit: https://github.com/SerenityOS/serenity/commit/c2a8c4cedd8
Pull-request: https://github.com/SerenityOS/serenity/pull/744
5 changed files with 20 additions and 3 deletions
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9
Libraries/LibC/bits/stdint.h
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@ -101,6 +101,15 @@ typedef __INTMAX_TYPE__ intmax_t;
#define UINT_LEAST32_MAX UINT32_MAX
#define UINT_LEAST64_MAX UINT64_MAX
#define INT8_C(x) x
#define UINT8_C(x) x
#define INT16_C(x) x
#define UINT16_C(x) x
#define INT32_C(x) x
#define UINT32_C(x) x
#define INT64_C(x) x##LL
#define UINT64_C(x) x##ULL

2
Libraries/LibC/inttypes.h
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@ -17,7 +17,9 @@
#define PRIx8 "b"
#define PRIx16 "w"
#define PRIx32 "x"
#define PRIX32 "X"
#define PRIx64 "llx"
#define PRIX64 "llX"
#define __PRI64_PREFIX "ll"
#define __PRIPTR_PREFIX

4
Libraries/LibC/stdio.cpp
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@ -437,7 +437,9 @@ void perror(const char* s)
FILE* fopen(const char* pathname, const char* mode)
{
int flags = 0;
if (!strcmp(mode, "r") || !strcmp(mode, "rb"))
// NOTE: rt is a non-standard mode which opens a file for read, explicitly
// specifying that it's a text file
if (!strcmp(mode, "r") || !strcmp(mode, "rb") || !strcmp(mode, "rt"))
flags = O_RDONLY;
else if (!strcmp(mode, "r+") || !strcmp(mode, "rb+"))
flags = O_RDWR;

1
Libraries/LibC/stdio.h
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@ -7,6 +7,7 @@
#include <sys/cdefs.h>
#include <sys/types.h>
#define FILENAME_MAX 1024
#define BUFSIZ 1024
__BEGIN_DECLS

7
Libraries/LibC/time.cpp
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@ -4,6 +4,7 @@
#include <sys/time.h>
#include <sys/times.h>
#include <time.h>
#include <string.h>
extern "C" {
@ -96,9 +97,11 @@ char* asctime(const struct tm*)
ASSERT_NOT_REACHED();
}
size_t strftime(char*, size_t, const char*, const struct tm*)
size_t strftime(char* destination, size_t, const char*, const struct tm*)
{
ASSERT_NOT_REACHED();
// FIXME: Stubbed function to make nasm work. Should be properly implemented
strcpy(destination, "strftime_unimplemented");
return strlen("strftime_unimplemented");
}
long timezone;