chloe
405f7d351e
The try_touch() function is responsible for attempting to create new files while optionally filling it with initial data Signed-off-by: Chloe M. <chloe@mirocom.org>
59 lines
995 B
C
59 lines
995 B
C
/*
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* Copyright (c) 2026, Chloe Moffett
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* Provided under the BSD-3 clause
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "libremail/file.h"
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int
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try_mkdir(const char *path, mode_t mode)
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{
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if (path == NULL) {
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errno = EINVAL;
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return -1;
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}
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if (access(path, F_OK) != 0) {
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return mkdir(path, mode);
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}
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return 0;
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}
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int
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try_touch(const char *path, mode_t mode, void *buf, size_t len)
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{
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ssize_t retlen;
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int fd;
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if (path == NULL) {
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errno = EINVAL;
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return -1;
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}
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fd = open(path, O_RDONLY | O_CREAT, mode);
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if (fd < 0) {
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perror("open");
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return -1;
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}
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/* Write the initial contents if we can */
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if (buf != NULL) {
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retlen = write(fd, buf, len);
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if (retlen <= 0) {
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close(fd);
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perror("write");
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return -1;
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}
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}
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close(fd);
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return 0;
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}
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