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https://github.com/fluencelabs/musl
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835f9f950e
this header evolved to facilitate the extremely lazy practice of omitting explicit includes of the necessary headers in individual stdio source files; not only was this sloppy, but it also increased build time. now, stdio_impl.h is only including the headers it needs for its own use; any further headers needed by source files are included directly where needed.
22 lines
462 B
C
22 lines
462 B
C
#include "stdio_impl.h"
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#include <fcntl.h>
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#include <string.h>
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FILE *__fopen_rb_ca(const char *filename, FILE *f, unsigned char *buf, size_t len)
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{
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memset(f, 0, sizeof *f);
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f->fd = syscall(SYS_open, filename, O_RDONLY|O_LARGEFILE|O_CLOEXEC, 0);
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if (f->fd < 0) return 0;
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f->flags = F_NOWR | F_PERM;
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f->buf = buf + UNGET;
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f->buf_size = len - UNGET;
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f->read = __stdio_read;
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f->seek = __stdio_seek;
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f->close = __stdio_close;
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f->lock = -1;
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return f;
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}
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