mirror of git://git.suckless.org/sbase
mount: cat /proc/mounts if no arguments given
Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>
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parent
e71d009bd1
commit
5f4d18d4fa
29
mount.c
29
mount.c
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@ -101,6 +101,23 @@ usage(void)
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argv0);
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}
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static int
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catfile(FILE *in, FILE *out)
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{
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char buf[BUFSIZ];
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size_t bytesread;
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while(1) {
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if(feof(in))
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break;
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bytesread = fread(buf, 1, sizeof(buf), in);
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if(ferror(in))
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return 0;
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fwrite(buf, 1, bytesread, out);
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}
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return 1;
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}
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int
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main(int argc, char *argv[])
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{
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@ -140,8 +157,16 @@ main(int argc, char *argv[])
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usage();
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} ARGEND;
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if(argc < 1 && aflag == 0)
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usage();
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if(argc < 1 && aflag == 0) {
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if(!(fp = fopen(files[0], "r")))
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eprintf("fopen %s:", files[0]);
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if(catfile(fp, stdout) != 1) {
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weprintf("error while reading %s:", files[0]);
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status = EXIT_FAILURE;
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}
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fclose(fp);
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return status;
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}
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if(aflag == 1)
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goto mountall;
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