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Update vis and unvis modules from OpenBSD

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This commit is contained in:
Guillem Jover 2010-01-10 01:35:27 +01:00
parent 8103fe1486
commit 7b3873bc1e
2 changed files with 8 additions and 16 deletions
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7
src/unvis.c
View File

@ -235,7 +235,7 @@ strunvis(char *dst, const char *src)
char *start = dst; char *start = dst;
int state = 0; int state = 0;
while ( (c = *src++) ) { while ((c = *src++)) {
again: again:
switch (unvis(dst, c, &state, 0)) { switch (unvis(dst, c, &state, 0)) {
case UNVIS_VALID: case UNVIS_VALID:
@ -248,6 +248,7 @@ strunvis(char *dst, const char *src)
case UNVIS_NOCHAR: case UNVIS_NOCHAR:
break; break;
default: default:
*dst = '\0';
return (-1); return (-1);
} }
} }
@ -304,8 +305,8 @@ strunvisx(char *dst, const char *src, int flag)
char c; char c;
char *start = dst; char *start = dst;
int state = 0; int state = 0;
while ( (c = *src++) ) { while ((c = *src++)) {
again: again:
switch (unvis(dst, c, &state, flag)) { switch (unvis(dst, c, &state, flag)) {
case UNVIS_VALID: case UNVIS_VALID:

17
src/vis.c
View File

@ -50,10 +50,7 @@
* vis - visually encode characters * vis - visually encode characters
*/ */
char * char *
vis(dst, c, flag, nextc) vis(char *dst, int c, int flag, int nextc)
char *dst;
int c, nextc;
int flag;
{ {
c = (unsigned char)c; c = (unsigned char)c;
@ -173,10 +170,7 @@ done:
* This is useful for encoding a block of data. * This is useful for encoding a block of data.
*/ */
int int
strvis(dst, src, flag) strvis(char *dst, const char *src, int flag)
char *dst;
const char *src;
int flag;
{ {
char c; char c;
char *start; char *start;
@ -231,11 +225,8 @@ strnvis(char *dst, const char *src, size_t siz, int flag)
return (dst - start); return (dst - start);
} }
strvisx(dst, src, len, flag) int
char *dst; strvisx(char *dst, const char *src, size_t len, int flag)
const char *src;
size_t len;
int flag;
{ {
int c; int c;
char *start; char *start;