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fix and clean ttyread(). buf wasn't static.

This commit is contained in:
Aurélien Aptel 2010-11-27 21:19:31 +01:00
parent 41a4497ecf
commit af75c433e5
1 changed files with 20 additions and 14 deletions
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34
st.c
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@ -606,24 +606,31 @@ dump(char c) {
void void
ttyread(void) { ttyread(void) {
char buf[BUFSIZ], *ptr; static char buf[BUFSIZ];
static int buflen = 0;
char *ptr;
char s[UTF_SIZ]; char s[UTF_SIZ];
int ret, br; int charsize; /* size of utf8 char in bytes */
static int buflen = 0; long utf8c;
long u; int ret;
/* append read bytes to unprocessed bytes */
if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0) if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
die("Couldn't read from shell: %s\n", SERRNO); die("Couldn't read from shell: %s\n", SERRNO);
else {
buflen += ret; /* process every complete utf8 char */
for(ptr=buf; buflen>=UTF_SIZ||isfullutf8(ptr,buflen); buflen-=br) { buflen += ret;
br = utf8decode(ptr, &u); ptr = buf;
utf8encode(&u, s); while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) {
tputc(s); charsize = utf8decode(ptr, &utf8c);
ptr += br; utf8encode(&utf8c, s);
} tputc(s);
memcpy(buf, ptr, buflen); ptr += charsize;
buflen -= charsize;
} }
/* keep any uncomplete utf8 char for the next call */
memcpy(buf, ptr, buflen);
} }
void void
@ -1774,7 +1781,6 @@ kpress(XEvent *ev) {
/* 3. X lookup */ /* 3. X lookup */
default: default:
if(len > 0) { if(len > 0) {
buf[sizeof(buf)-1] = '\0';
if(meta && len == 1) if(meta && len == 1)
ttywrite("\033", 1); ttywrite("\033", 1);
ttywrite(buf, len); ttywrite(buf, len);