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Annotation of researchv10no/cmd/post.src/common/tempnam.c, revision 1.1

1.1     ! root        1: #include <stdio.h>
        !             2: #include <errno.h>
        !             3: 
        !             4: #if defined(V9) || defined(BSD4_2)
        !             5: char *tempnam(dir, pfx)
        !             6: char *dir, *pfx;
        !             7: {
        !             8:        int pid;
        !             9:        unsigned int len;
        !            10:        char *tnm, *malloc();
        !            11:        static int seq = 0;
        !            12: 
        !            13:        pid = getpid();
        !            14:        len = strlen(dir) + strlen(pfx) + 10;
        !            15:        if ((tnm = malloc(len)) != NULL) {
        !            16:                sprintf(tnm, "%s", dir);
        !            17:                if (access(tnm, 7) == -1)
        !            18:                        return(NULL);
        !            19:                do {
        !            20:                        sprintf(tnm, "%s/%s%d%d", dir, pfx, pid, seq++);
        !            21:                        errno = 0;
        !            22:                        if (access(tnm, 7) == -1)
        !            23:                                if (errno == ENOENT)
        !            24:                                        return(tnm);
        !            25:                } while (1);
        !            26:        }
        !            27:        return(tnm);
        !            28: }
        !            29: #endif

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