Axel Dörfler
f1e764a7e7
not supported by the GLIBC stdio that we now have. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7369 a95241bf-73f2-0310-859d-f6bbb57e9c96
71 lines
1.2 KiB
C
71 lines
1.2 KiB
C
#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <syscalls.h>
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#include <ktypes.h>
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#include <sys/resource.h>
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#include <Errors.h>
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#include <errno.h>
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#include <OS.h>
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#include <stdlib.h>
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#define TEST_FILE "/boot/etc/fortunes"
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#define RD_LINES 5
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#define NEW_FORTUNE "The path has been shown - we are the ones who must walk it"
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static void
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read_file(FILE *f)
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{
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char buffer[2048];
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int lines = 0;
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while ((fgets(buffer, sizeof(buffer), f)) != NULL) {
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size_t bytes = strlen(buffer);
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if (buffer[0] == '#')
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continue;
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if (buffer[bytes - 1] != '\n')
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buffer[bytes - 1] = '\n';
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fprintf(stdout, "%d: %s", ++lines, buffer);
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}
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}
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int
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main(int argc, char **argv)
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{
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FILE *f;
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f = fopen(TEST_FILE, "rw");
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if (!f) {
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printf("Failed to open %s :( [%s]\n", TEST_FILE,
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strerror(errno));
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return -1;
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}
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read_file(f);
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fputs("#@#\n", f);
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fputs(NEW_FORTUNE, f);
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fprintf(stdout, "File added to.\n");
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fclose(f);
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printf("File opened and closed\n");
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f = fopen(TEST_FILE, "r");
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if (!f) {
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printf("Failed to open %s :( [%s]\n", TEST_FILE,
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strerror(errno));
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return -1;
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}
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read_file(f);
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fclose(f);
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printf("File opened and closed\n");
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return 0;
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}
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