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// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
#include <ctype.h>
#include <err.h>
#include <inttypes.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <vis.h>
void test_vis() {
char visout[5];
int ch = toascii(0x1);
vis(visout, ch, VIS_SAFE | VIS_NOSLASH, 0);
printf("vis: %s\n", visout);
}
void test_nvis() {
char visout[5];
int ch = toascii(0x2);
nvis(visout, sizeof visout, ch, VIS_SAFE | VIS_NOSLASH, 0);
printf("nvis: %s\n", visout);
}
void test_strvis() {
char visout[5];
strvis(visout, "\3", VIS_SAFE | VIS_NOSLASH);
printf("strvis: %s\n", visout);
}
void test_stravis() {
char *visout;
stravis(&visout, "\4", VIS_SAFE | VIS_NOSLASH);
printf("stravis: %s\n", visout);
free(visout);
}
void test_strnvis() {
char visout[5];
strnvis(visout, sizeof visout, "\5", VIS_SAFE | VIS_NOSLASH);
printf("strnvis: %s\n", visout);
}
void test_strvisx() {
char visout[5];
char src[] = "\6";
strvisx(visout, src, sizeof src - 1 /* skip final \0 */,
VIS_SAFE | VIS_NOSLASH);
printf("strvisx: %s\n", visout);
}
void test_strnvisx() {
char visout[5];
char src[] = "\1";
strnvisx(visout, sizeof visout, src, sizeof src - 1 /* skip final \0 */,
VIS_SAFE | VIS_NOSLASH);
printf("strnvisx: %s\n", visout);
}
void test_strenvisx() {
char visout[5];
char src[] = "\2";
strenvisx(visout, sizeof visout, src, sizeof src - 1 /* skip final \0 */,
VIS_SAFE | VIS_NOSLASH, NULL);
printf("strenvisx: %s\n", visout);
}
void test_svis() {
char visout[5];
int ch = toascii(0x3);
svis(visout, ch, VIS_SAFE | VIS_NOSLASH, 0, "x");
printf("svis: %s\n", visout);
}
void test_snvis() {
char visout[5];
int ch = toascii(0x2);
snvis(visout, sizeof visout, ch, VIS_SAFE | VIS_NOSLASH, 0, "x");
printf("snvis: %s\n", visout);
}
void test_strsvis() {
char visout[5];
strsvis(visout, "\4", VIS_SAFE | VIS_NOSLASH, "x");
printf("strsvis: %s\n", visout);
}
void test_strsnvis() {
char visout[5];
strsnvis(visout, sizeof visout, "\5", VIS_SAFE | VIS_NOSLASH, "x");
printf("strsnvis: %s\n", visout);
}
void test_strsvisx() {
char visout[5];
char src[] = "\5";
strsvisx(visout, src, sizeof src - 1 /* skip final \0 */,
VIS_SAFE | VIS_NOSLASH, "x");
printf("strsvisx: %s\n", visout);
}
void test_strsnvisx() {
char visout[5];
char src[] = "\6";
strsnvisx(visout, sizeof visout, src, sizeof src - 1 /* skip final \0 */,
VIS_SAFE | VIS_NOSLASH, "x");
printf("strsnvisx: %s\n", visout);
}
void test_strsenvisx() {
char visout[5];
char src[] = "\1";
strsenvisx(visout, sizeof visout, src, sizeof src - 1 /* skip final \0 */,
VIS_SAFE | VIS_NOSLASH, "x", NULL);
printf("strsenvisx: %s\n", visout);
}
void test_unvis() {
char visout[5];
int ch = toascii(0x1);
vis(visout, ch, VIS_SAFE, 0);
int state = 0;
char out;
char *p = visout;
while ((ch = *(p++)) != '\0') {
again:
switch (unvis(&out, ch, &state, 0)) {
case 0:
case UNVIS_NOCHAR:
break;
case UNVIS_VALID:
printf("unvis: %" PRIx8 "\n", (unsigned char)out);
break;
case UNVIS_VALIDPUSH:
printf("unvis: %" PRIx8 "\n", (unsigned char)out);
goto again;
case UNVIS_SYNBAD:
errx(1, "Bad character sequence!");
}
}
if (unvis(&out, '\0', &state, UNVIS_END) == UNVIS_VALID)
printf("unvis: %" PRIx8 "\n", (unsigned char)out);
}
void test_strunvis() {
char visout[5];
int ch = toascii(0x2);
vis(visout, ch, VIS_SAFE, 0);
char p[5];
strunvis(p, visout);
char *pp = p;
while ((ch = *(pp++)) != '\0')
printf("strunvis: %" PRIx8 "\n", (unsigned char)ch);
}
void test_strnunvis() {
char visout[5];
int ch = toascii(0x3);
vis(visout, ch, VIS_SAFE, 0);
char p[5];
strnunvis(p, sizeof p, visout);
char *pp = p;
while ((ch = *(pp++)) != '\0')
printf("strnunvis: %" PRIx8 "\n", (unsigned char)ch);
}
void test_strunvisx() {
char visout[5];
int ch = toascii(0x4);
vis(visout, ch, VIS_SAFE, 0);
char p[5];
strunvisx(p, visout, VIS_SAFE);
char *pp = p;
while ((ch = *(pp++)) != '\0')
printf("strunvisx: %" PRIx8 "\n", (unsigned char)ch);
}
void test_strnunvisx() {
char visout[5];
int ch = toascii(0x5);
vis(visout, ch, VIS_SAFE, 0);
char p[5];
strnunvisx(p, sizeof p, visout, VIS_SAFE);
char *pp = p;
while ((ch = *(pp++)) != '\0')
printf("strnunvisx: %" PRIx8 "\n", (unsigned char)ch);
}
int main(void) {
printf("vis\n");
test_vis();
test_nvis();
test_strvis();
test_stravis();
test_strnvis();
test_strvisx();
test_strnvisx();
test_strenvisx();
test_svis();
test_snvis();
test_strsvis();
test_strsnvis();
test_strsvisx();
test_strsnvisx();
test_strsenvisx();
test_unvis();
test_strunvis();
test_strnunvis();
test_strunvisx();
test_strnunvisx();
// CHECK: vis
// CHECK: vis: ^A
// CHECK: nvis: ^B
// CHECK: strvis: ^C
// CHECK: stravis: ^D
// CHECK: strnvis: ^E
// CHECK: strvisx: ^F
// CHECK: strnvisx: ^A
// CHECK: strenvisx: ^B
// CHECK: svis: ^C
// CHECK: snvis: ^B
// CHECK: strsvis: ^D
// CHECK: strsnvis: ^E
// CHECK: strsvisx: ^E
// CHECK: strsnvisx: ^F
// CHECK: strsenvisx: ^A
// CHECK: unvis: 1
// CHECK: strunvis: 2
// CHECK: strnunvis: 3
// CHECK: strunvisx: 4
// CHECK: strnunvisx: 5
return 0;
}
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