93 lines
1.7 KiB
C
93 lines
1.7 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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static int
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do_test (void)
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{
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int fd = dup (fileno (stdout));
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if (fd <= 1)
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{
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puts ("dup failed");
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return 1;
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}
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FILE *f1 = fdopen (fd, "w");
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if (f1 == NULL)
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{
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printf ("fdopen failed: %m\n");
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return 1;
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}
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fclose (stdout);
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FILE *f2 = popen ("echo test1", "r");
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if (f2 == NULL)
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{
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fprintf (f1, "1st popen failed: %m\n");
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return 1;
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}
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FILE *f3 = popen ("echo test2", "r");
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if (f2 == NULL || f3 == NULL)
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{
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fprintf (f1, "2nd popen failed: %m\n");
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return 1;
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}
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char *line = NULL;
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size_t len = 0;
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int result = 0;
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if (getline (&line, &len, f2) != 6)
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{
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fputs ("could not read line from 1st popen\n", f1);
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result = 1;
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}
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else if (strcmp (line, "test1\n") != 0)
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{
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fprintf (f1, "read \"%s\"\n", line);
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result = 1;
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}
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if (getline (&line, &len, f2) != -1)
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{
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fputs ("second getline did not return -1\n", f1);
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result = 1;
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}
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if (getline (&line, &len, f3) != 6)
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{
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fputs ("could not read line from 2nd popen\n", f1);
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result = 1;
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}
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else if (strcmp (line, "test2\n") != 0)
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{
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fprintf (f1, "read \"%s\"\n", line);
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result = 1;
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}
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if (getline (&line, &len, f3) != -1)
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{
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fputs ("second getline did not return -1\n", f1);
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result = 1;
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}
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int ret = pclose (f2);
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if (ret != 0)
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{
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fprintf (f1, "1st pclose returned %d\n", ret);
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result = 1;
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}
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ret = pclose (f3);
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if (ret != 0)
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{
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fprintf (f1, "2nd pclose returned %d\n", ret);
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result = 1;
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}
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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