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-rw-r--r--test.c68
1 files changed, 36 insertions, 32 deletions
diff --git a/test.c b/test.c
index 95b8dac..eaf9b37 100644
--- a/test.c
+++ b/test.c
@@ -861,16 +861,15 @@ test_subpixel_orders(void)
static void
test_errors(void)
{
- int n = 0, fds[2], flags;
+ int n = 0, fds[2], flags, err;
char buf[1024], buf2[1100];
- FILE *fp, *err = stderr;
ssize_t r;
alarm(2);
pipe(fds);
- fp = fdopen(fds[1], "w");
flags = fcntl(fds[0], F_GETFL);
fcntl(fds[0], F_SETFL, flags | O_NONBLOCK);
+ err = dup(STDERR_FILENO);
#define X(CONST)\
do {\
@@ -910,10 +909,10 @@ test_errors(void)
#CONST, #CONST);\
exit(1);\
}\
- stderr = fp;\
+ dup2(fds[1], STDERR_FILENO);\
libgamma_perror(NULL, CONST);\
- stderr = err;\
- fflush(fp);\
+ fflush(stderr);\
+ dup2(err, STDERR_FILENO);\
r = read(fds[0], buf, sizeof(buf));\
if (r <= 0 || buf[r - 1] != '\n') {\
fprintf(stderr, "libgamma_perror(NULL, %s) failed\n", #CONST);\
@@ -924,10 +923,10 @@ test_errors(void)
fprintf(stderr, "libgamma_perror(NULL, %s) failed\n", #CONST);\
exit(1);\
}\
- stderr = fp;\
+ dup2(fds[1], STDERR_FILENO);\
libgamma_perror("", CONST);\
- stderr = err;\
- fflush(fp);\
+ fflush(stderr);\
+ dup2(err, STDERR_FILENO);\
r = read(fds[0], buf, sizeof(buf));\
if (r <= 0 || buf[r - 1] != '\n') {\
fprintf(stderr, "libgamma_perror(\"\", %s) failed\n", #CONST);\
@@ -938,10 +937,10 @@ test_errors(void)
fprintf(stderr, "libgamma_perror(\"\", %s) failed\n", #CONST);\
exit(1);\
}\
- stderr = fp;\
+ dup2(fds[1], STDERR_FILENO);\
libgamma_perror("prefix", CONST);\
- stderr = err;\
- fflush(fp);\
+ fflush(stderr);\
+ dup2(err, STDERR_FILENO);\
r = read(fds[0], buf, sizeof(buf));\
if (r <= 0 || buf[r - 1] != '\n') {\
fprintf(stderr, "libgamma_perror(\"prefix\", %s) failed\n", #CONST);\
@@ -1185,10 +1184,12 @@ test_errors(void)
}
errno = -1;
+#ifdef ERRNO_0_HAS_MESSAGE
if (strcmp(libgamma_strerror_r(0, buf, sizeof(buf)), strerror(0))) {
fprintf(stderr, "libgamma_strerror_r(0, buf, sizeof(buf)) != strerror(0)\n");
exit(1);
}
+#endif
if (strcmp(libgamma_strerror_r(ENOMEM, buf, sizeof(buf)), strerror(ENOMEM))) {
fprintf(stderr, "libgamma_strerror_r(ENOMEM, buf, sizeof(buf)) != strerror(ENOMEM)\n");
exit(1);
@@ -1201,11 +1202,13 @@ test_errors(void)
fprintf(stderr, "libgamma_strerror_r(EDOM, buf, sizeof(buf)) != strerror(EDOM)\n");
exit(1);
}
+#ifdef ERRNO_0_HAS_MESSAGE
errno = 0;
if (strcmp(libgamma_strerror_r(LIBGAMMA_ERRNO_SET, buf, sizeof(buf)), strerror(0))) {
fprintf(stderr, "libgamma_strerror_r(0 via LIBGAMMA_ERRNO_SET, buf, sizeof(buf)) != strerror(0)\n");
exit(1);
}
+#endif
errno = ENOMEM;
if (strcmp(libgamma_strerror_r(LIBGAMMA_ERRNO_SET, buf, sizeof(buf)), strerror(ENOMEM))) {
fprintf(stderr, "libgamma_strerror_r(ENOMEM via LIBGAMMA_ERRNO_SET, buf, sizeof(buf)) != strerror(ENOMEM)\n");
@@ -1259,10 +1262,10 @@ test_errors(void)
libgamma_group_gid_set(5);
snprintf(buf2, sizeof(buf2), "%s in group 5", libgamma_strerror(LIBGAMMA_DEVICE_REQUIRE_GROUP));
- stderr = fp;
+ dup2(fds[1], STDERR_FILENO);
libgamma_perror(NULL, LIBGAMMA_DEVICE_REQUIRE_GROUP);
- stderr = err;
- fflush(fp);
+ fflush(stderr);
+ dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(NULL, LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
@@ -1274,10 +1277,10 @@ test_errors(void)
exit(1);
}
- stderr = fp;
+ dup2(fds[1], STDERR_FILENO);
libgamma_perror("", LIBGAMMA_DEVICE_REQUIRE_GROUP);
- stderr = err;
- fflush(fp);
+ fflush(stderr);
+ dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(\"\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
@@ -1289,10 +1292,10 @@ test_errors(void)
exit(1);
}
- stderr = fp;
+ dup2(fds[1], STDERR_FILENO);
libgamma_perror("prefix", LIBGAMMA_DEVICE_REQUIRE_GROUP);
- stderr = err;
- fflush(fp);
+ fflush(stderr);
+ dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(\"prefix\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
@@ -1312,10 +1315,10 @@ test_errors(void)
libgamma_group_name_set("grp");
snprintf(buf2, sizeof(buf2), "%s in the grp group (5)", libgamma_strerror(LIBGAMMA_DEVICE_REQUIRE_GROUP));
- stderr = fp;
+ dup2(fds[1], STDERR_FILENO);
libgamma_perror(NULL, LIBGAMMA_DEVICE_REQUIRE_GROUP);
- stderr = err;
- fflush(fp);
+ fflush(stderr);
+ dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(NULL, LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
@@ -1327,10 +1330,10 @@ test_errors(void)
exit(1);
}
- stderr = fp;
+ dup2(fds[1], STDERR_FILENO);
libgamma_perror("", LIBGAMMA_DEVICE_REQUIRE_GROUP);
- stderr = err;
- fflush(fp);
+ fflush(stderr);
+ dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(\"\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
@@ -1342,10 +1345,10 @@ test_errors(void)
exit(1);
}
- stderr = fp;
+ dup2(fds[1], STDERR_FILENO);
libgamma_perror("prefix", LIBGAMMA_DEVICE_REQUIRE_GROUP);
- stderr = err;
- fflush(fp);
+ fflush(stderr);
+ dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(\"prefix\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
@@ -1364,8 +1367,9 @@ test_errors(void)
libgamma_group_gid_set(0);
libgamma_group_name_set(NULL);
- fclose(fp);
close(fds[0]);
+ close(fds[1]);
+ close(err);
alarm(0);
}
@@ -1504,7 +1508,7 @@ main(void)
sleep(1);
memset(ramps16.green, 0, ramps16.green_size * sizeof(*ramps16.green));
memcpy(ramps16.blue, old_ramps16.blue, ramps16.blue_size * sizeof(*ramps16.blue));
- printf("Making the monitor green-only for 1 second...\n");
+ printf("Making the monitor blue-only for 1 second...\n");
if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, &ramps16)))
libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
sleep(1);
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-22 22:20:04 +0000