Florian Fischer
38 lines
816 B
C
38 lines
816 B
C
/// @file t_creat.c
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/// @brief test the creat syscall
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/// @copyright (c) 2024 This file is distributed under the MIT License.
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/// See LICENSE.md for details.
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strerror.h>
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#include <sys/errno.h>
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#include <sys/stat.h>
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#include <sys/unistd.h>
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int main(int argc, char* argv[]) {
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int fd = creat("foo", 0660);
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if (fd < 0) {
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printf("creat: foo: %s\n", strerror(errno));
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exit(EXIT_FAILURE);
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}
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if (write(fd, "foo", 3) != 3) {
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printf("write: foo: %s\n", strerror(errno));
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exit(EXIT_FAILURE);
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}
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struct stat_t st;
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if (stat("foo", &st) < 0) {
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printf("stat: foo: %s\n", strerror(errno));
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exit(EXIT_FAILURE);
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}
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if (st.st_size != 3) {
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printf("Wrong file size. (expected: 3, is: %u)\n", st.st_size);
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exit(EXIT_FAILURE);
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}
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return 0;
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}
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