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stdio-common/bug4.c
50 строк
908 B
Frederic Berat
tests: replace fread by xfread
14 июн 2023, 02:59
14 июн 2023, 02:59
a84dcb4
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#include <stdio.h> #include <unistd.h> #include <string.h> #include <support/xstdio.h> int stdio_block_read = 1, stdio_block_write = 1; int main (int argc, char *argv[]) { FILE *f; int i; char buffer[31]; const char filename[] = OBJPFX "bug4.test"; while ((i = getopt (argc, argv, "rw")) != -1) switch (i) { case 'r': stdio_block_read = 0; break; case 'w': stdio_block_write = 0; break; } f = fopen (filename, "w+"); for (i = 0; i < 9000; ++i) putc('x', f); fseek (f, 8180L, 0); fwrite ("Where does this text come from?", 1, 31, f); fseek (f, 8180L, 0); xfread (buffer, 1, 31, f); fwrite (buffer, 1, 31, stdout); fclose (f); remove (filename); if (!memcmp (buffer, "Where does this text come from?", 31)) { puts ("\nTest succeeded."); return 0; } else { puts ("\nTest FAILED!"); return 1; } }