79 lines
1.3 KiB
C
79 lines
1.3 KiB
C
/* file.c
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*
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* The routines in this file handle the reading, writing
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* and lookup of disk files. All of details about the
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* reading and writing of the disk are in "fileio.c".
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*
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* written by vx-clutch
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*/
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#include <errno.h>
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#include <libgen.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "file.h"
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#include "edef.h"
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int ffwrite(char *path, char *fmt, ...) {
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FILE *f;
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va_list ap;
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int r;
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f = fopen(path, "w");
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if (!f)
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return -1;
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va_start(ap, fmt);
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r = vfprintf(f, fmt, ap);
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va_end(ap);
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fclose(f);
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return r < 0 ? -1 : 0;
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}
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int fmkdir(char *fmt, ...)
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{
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va_list ap;
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char path[NPAT];
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char tmp[NPAT];
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char *p;
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va_start(ap, fmt);
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vsnprintf(path, sizeof(path), fmt, ap);
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va_end(ap);
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strncpy(tmp, path, sizeof(tmp) - 1);
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tmp[sizeof(tmp) - 1] = '\0';
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for (p = tmp + 1; *p; p++) {
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if (*p == '/') {
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*p = '\0';
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if (mkdir(tmp, 0755) < 0 && errno != EEXIST)
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return -1;
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*p = '/';
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}
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}
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if (mkdir(tmp, 0755) < 0 && errno != EEXIST)
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return -1;
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return 0;
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}
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int ffexist(char *fmt, ...) {
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char path[NPAT];
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va_list ap;
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struct stat st;
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va_start(ap, fmt);
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vsnprintf(path, sizeof(path), fmt, ap);
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va_end(ap);
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return stat(path, &st) == 0;
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}
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