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expanded test-instr to also work with input files via "-f @@" and changed the test.sh values

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This commit is contained in:
van Hauser
2020-03-09 11:39:12 +01:00
parent dba3595c0a
commit 581097d58d
2 changed files with 31 additions and 13 deletions
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25
test-instr.c
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@ -18,22 +18,39 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
int main(int argc, char** argv) {
int fd = 0;
char buff[8];
char* buf = buff;
// we support command line parameter and stdin
if (argc > 1) {
if (argc == 2) {
buf = argv[1];
printf("Input %s - ", buf);
} else if (read(0, buf, sizeof(buf)) < 1) {
} else {
printf("Hum?\n");
return 1;
if (argc >= 3 && strcmp(argv[1], "-f") == 0)
if ((fd = open(argv[2], O_RDONLY)) < 0) {
fprintf(stderr, "Error: unable to open %s\n", argv[2]);
exit(-1);
}
if (read(fd, buf, sizeof(buf)) < 1) {
printf("Hum?\n");
return 1;
}
}