32 lines
395 B
C
32 lines
395 B
C
#include <u.h>
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#include <libc.h>
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char*
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mktemp(char *as)
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{
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char *s;
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unsigned pid;
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int i;
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char err[ERRMAX];
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pid = getpid();
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s = as;
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while(*s++)
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;
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s--;
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while(*--s == 'X') {
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*s = pid % 10 + '0';
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pid = pid/10;
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}
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s++;
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i = 'a';
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while(access(as, 0) != -1) {
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if (i == 'z')
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return "/";
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*s = i++;
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}
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err[0] = '\0';
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errstr(err, sizeof err); /* clear the error */
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return as;
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}
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