simple/scat/scat.c

87 lines
1.5 KiB
C
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#include <ctype.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <features.h>
#include <nl_types.h>
#include "scat.h"
char *cmnd;
nl_catd catalog;
void usage(void) {
fprintf(stderr,
catgets(catalog, MSG_Set, MSG_USAGE,
"Usage: %s [file ...]\n"),
cmnd);
exit(1);
}
void do_safecat(const char *filename) {
FILE *fp;
int c;
if (strcmp(filename, "-") == 0) {
fp = stdin;
} else {
if ((fp = fopen(filename, "r")) == NULL) {
fprintf(stderr,
catgets(catalog, MSG_Set, MSG_OPEN,
"%s: cannot open `%s' for reading: %s\n"),
cmnd, filename);
exit(1);
}
}
while ((c = getc(fp)) != EOF) {
if (isprint(c) || isspace(c)) {
if (putchar(c) == EOF) {
fprintf(stderr,
catgets(catalog, MSG_Set, MSG_WRITE,
"%s: cannot write stdout: %s\n"),
cmnd, filename);
exit(1);
}
} else {
if (printf("\\x%02X", c) == EOF) {
fprintf(stderr,
catgets(catalog, MSG_Set, MSG_WRITE,
"%s: cannot write stdout: %s\n"),
cmnd, filename);
exit(1);
}
}
}
if (ferror(fp)) {
fprintf(stderr,
catgets(catalog, MSG_Set, MSG_READ,
"%s: cannot read from `%s': %s\n"),
cmnd, filename);
exit(1);
}
if (strcmp(filename, "-") == 0) {
} else {
fclose(fp);
}
}
int main(int argc, char **argv) {
setlocale(LC_ALL, "");
catalog = catopen("scat", 0);
if (argc == 1) {
do_safecat("-");
} else {
int i;
for (i = 1; i < argc; i++) {
do_safecat(argv[i]);
}
}
return 0;
}