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20 lines
406 B
C
20 lines
406 B
C
24 years ago
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#include <sys/types.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include "open.h"
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#include "mmap.h"
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extern char* mmap_read(const char* filename,unsigned long* filesize) {
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int fd=open_read(filename);
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char *map;
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if (fd>=0) {
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*filesize=lseek(fd,0,SEEK_END);
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map=mmap(0,*filesize,PROT_READ,MAP_SHARED,fd,0);
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if (map==(char*)-1)
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map=0;
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close(fd);
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return map;
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}
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return 0;
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}
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