mirror of
https://github.com/odin-lang/Odin.git
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102 lines
2.0 KiB
C
102 lines
2.0 KiB
C
#ifdef __cplusplus
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extern "C" {
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#endif
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#pragma once
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#include <alloca.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <stddef.h>
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typedef struct {} FILE;
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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#define stdout ((FILE *)2)
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#define stderr ((FILE *)3)
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#define EOF -1
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FILE *fopen(const char *, char *);
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int fclose(FILE *);
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int fseek(FILE *, long, int);
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long ftell(FILE *);
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size_t fread(void *, size_t, size_t, FILE *);
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size_t fwrite(const void *, size_t, size_t, FILE *);
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int vfprintf(FILE *, const char *, va_list);
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int vsnprintf(char *, size_t, const char *, va_list);
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int vsprintf(char *, const char *, va_list);
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int putchar(int ch);
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int getchar();
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static inline int snprintf(char *buf, size_t size, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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int result = vsnprintf(buf, size, fmt, args);
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va_end(args);
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return result;
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}
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static inline int sprintf(char *buf, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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int result = vsprintf(buf, fmt, args);
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va_end(args);
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return result;
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}
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static inline int fprintf(FILE *f, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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int result = vfprintf(f, fmt, args);
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va_end(args);
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return result;
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}
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static inline int printf(const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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int result = vfprintf(stdout, fmt, args);
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va_end(args);
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return result;
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}
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int __sscanf(const char *str, const char *format, void *ptrs);
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static inline int vsscanf(const char *str, const char *format, va_list ap) {
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int count = 0;
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for (int i = 0; format[i]; i++) {
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if (format[i] == '%') {
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if (format[i+1] == '%') {
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i++;
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continue;
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}
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count++;
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}
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}
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void **ptrs = (void **)(alloca(count*sizeof(void *)));
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for (int i = 0; i < count; i++) {
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ptrs[i] = va_arg(ap, void *);
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}
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return __sscanf(str, format, ptrs);
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}
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static inline int sscanf(const char *str, const char *format, ...) {
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va_list args;
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va_start(args, format);
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int res = vsscanf(str, format, args);
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va_end(args);
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return res;
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}
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#ifdef __cplusplus
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}
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#endif
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