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unix.ccc
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unix.ccc
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/* unix.ccc -- Misosys C program to execute a Unix shell command from xtrs */
/*
* Copyright (c) 1998-2008, Timothy P. Mann
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#option redirect 0
#include "xtrsemt.h"
#include "xtrsemt.ccc" /* could use separate compilation instead */
usage()
{
fprintf(stderr, "usage: unix [-l] command\n");
exit(1);
}
#define ERRBUFSIZE 256
#define CMDBUFSIZE 512
int main(argc, argv)
int argc;
char **argv;
{
int ret, i, lower;
char errbuf[ERRBUFSIZE];
char cmdbuf[CMDBUFSIZE];
char *p, *q;
if (argc < 2) {
usage();
}
i = 1;
if (argv[i][0] == '-') {
if (tolower(argv[i][1]) != 'l') {
usage();
}
i++;
lower = 1;
} else {
lower = 0;
}
p = cmdbuf;
for (; i<argc; i++) {
q = argv[i];
if (lower) {
while (*q) {
if (*q == '[' && *(q+1)) {
q++;
*p++ = *q++;
} else if (isalpha(*q)) {
*p++ = tolower(*q++);
} else {
*p++ = *q++;
}
}
} else {
while (*q) *p++ = *q++;
}
*p++ = ' ';
}
*p = '\000';
/*printf("$ %s\n", cmdbuf);*/
ret = emt_system(cmdbuf);
if (ret == -1) {
emt_strerror(errno, errbuf, ERRBUFSIZE);
fprintf(stderr, "unix: %s\n", errbuf);
exit(1);
} else if (ret != 0) {
emt_strerror(errno, errbuf, ERRBUFSIZE);
fprintf(stderr, "unix: error (exit status %d, signal %d)\n",
ret >> 8, ret & 0xff);
exit(1);
}
exit(0);
}