int
shellcmdoutput(char* const argv[], char* const text, int len)
{
struct buffer *bp;
char *shellp;
int ret;
bp = bfind("*Shell Command Output*", TRUE);
bp->b_flag |= BFREADONLY;
if (bclear(bp) != TRUE) {
free(text);
return (FALSE);
}
shellp = getenv("SHELL");
ret = pipeio(shellp, argv, text, len, bp);
if (ret == TRUE) {
eerase();
if (lforw(bp->b_headp) == bp->b_headp)
addline(bp, "(Shell command succeeded with no output)");
}
free(text);
return (ret);
}
/*ARGSUSED */
int
diffbuffer(int f, int n)
{
struct buffer *bp;
struct line *lp, *lpend;
size_t len;
int ret;
char *text, *ttext;
char * const argv[] =
{DIFFTOOL, "-u", "-p", curbp->b_fname, "-", (char *)NULL};
len = 0;
/* C-u is not supported */
if (n > 1)
return (ABORT);
if (access(DIFFTOOL, X_OK) != 0) {
dobeep();
ewprintf("%s not found or not executable.", DIFFTOOL);
return (FALSE);
}
if (curbp->b_fname[0] == 0) {
dobeep();
ewprintf("Cannot diff buffer not associated with any files.");
return (FALSE);
}
lpend = curbp->b_headp;
for (lp = lforw(lpend); lp != lpend; lp = lforw(lp)) {
len+=llength(lp);
if (lforw(lp) != lpend) /* no implied \n on last line */
len++;
}
if ((text = calloc(len + 1, sizeof(char))) == NULL) {
dobeep();
ewprintf("Cannot allocate memory.");
return (FALSE);
}
ttext = text;
for (lp = lforw(lpend); lp != lpend; lp = lforw(lp)) {
if (llength(lp) != 0) {
memcpy(ttext, ltext(lp), llength(lp));
ttext += llength(lp);
}
if (lforw(lp) != lpend) /* no implied \n on last line */
*ttext++ = '\n';
}
bp = bfind("*Diff*", TRUE);
bp->b_flag |= BFREADONLY;
if (bclear(bp) != TRUE) {
free(text);
return (FALSE);
}
ret = pipeio(DIFFTOOL, argv, text, len, bp);
if (ret == TRUE) {
eerase();
if (lforw(bp->b_headp) == bp->b_headp)
addline(bp, "Diff finished (no differences).");
}
free(text);
return (ret);
}