apio/Luna
1
1
Fork 0
Code Issues Pull Requests Actions Projects Releases 8 Wiki Activity

libc: Implement fputs, fputc, putc and putchar

Browse Source
This commit is contained in:
apio 2022-10-12 10:05:14 +02:00
parent eaf7a1620b
commit 44834b8a0f
3 changed files with 33 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
apps/src/init.c
View File

@ -43,7 +43,8 @@ int main()
{
if (gettid() == 0) // why are we the idle task?
{
__luna_abort("SHENANIGANS! init is tid 0 (which is reserved for the idle task)\n");
fprintf(stderr, "SHENANIGANS! init is tid 0 (which is reserved for the idle task)\n");
return 1;
}
printf("Welcome to Luna!\n");

10
libs/libc/include/stdio.h
View File

@ -27,13 +27,13 @@ extern "C"
FILE* fopen(const char*, const char*);
int fprintf(FILE*, const char*, ...);
size_t fread(void*, size_t, size_t, FILE*);
int fseek(FILE*, long, int);
long ftell(FILE*);
int fseek(FILE*, long, int); // Not implemented.
long ftell(FILE*); // Not implemented.
size_t fwrite(const void*, size_t, size_t, FILE*);
int ferror(FILE*);
int feof(FILE*);
void clearerr(FILE*);
void setbuf(FILE*, char*);
void setbuf(FILE*, char*); // Not implemented.
int vfprintf(FILE*, const char*, va_list);
int printf(const char*, ...);
int vprintf(const char*, va_list);
@ -42,6 +42,10 @@ extern "C"
int vsprintf(char*, const char*, va_list);
int vsnprintf(char*, size_t, const char*, va_list);
int puts(const char*);
int fputs(const char*, FILE*);
int fputc(int, FILE*);
int putc(int, FILE*);
int putchar(int);
void perror(const char*);
#ifdef __cplusplus

27
libs/libc/src/stdio.cpp
View File

@ -10,10 +10,31 @@ extern "C"
{
int puts(const char* s)
{
long nwritten = fwrite(s, strlen(s), 1, stdout);
int nwritten = fputs(s, stdout);
if (nwritten < 0) return -1;
nwritten += fwrite("\n", 1, 1, stdout);
return (int)nwritten;
if (putchar('\n') < 0) return -1;
return nwritten + 1;
}
int fputs(const char* s, FILE* stream)
{
int result = (int)fwrite(s, strlen(s), 1, stream);
if (ferror(stream)) return -1;
return result;
}
int fputc(int c, FILE* stream)
{
char chr = (char)c;
fwrite(&chr, 1, 1, stream);
if (ferror(stream)) { return -1; }
return c;
}
int putc(int c, FILE* stream)
{
return fputc(c, stream);
}
int putchar(int c)
{
return fputc(c, stdout);
}
void perror(const char* s)
{