mirror of git://git.suckless.org/sbase
39 lines
753 B
C
39 lines
753 B
C
/* See LICENSE file for copyright and license details. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "util.h"
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static void cat(FILE *, const char *);
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int
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main(int argc, char *argv[])
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{
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FILE *fp;
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if(getopt(argc, argv, "") != -1)
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exit(EXIT_FAILURE);
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if(optind == argc)
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cat(stdin, "<stdin>");
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else for(; optind < argc; optind++) {
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if(!(fp = fopen(argv[optind], "r")))
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eprintf("fopen %s:", argv[optind]);
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cat(fp, argv[optind]);
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fclose(fp);
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}
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return EXIT_SUCCESS;
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}
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void
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cat(FILE *fp, const char *str)
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{
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char buf[BUFSIZ];
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size_t n;
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while((n = fread(buf, 1, sizeof buf, fp)) > 0)
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if(fwrite(buf, 1, n, stdout) != n)
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eprintf("<stdout>: write error:");
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if(ferror(fp))
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eprintf("%s: read error:", str);
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}
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