remove unused functions; ok tb@
authorjsg <jsg@openbsd.org>
Tue, 16 Apr 2024 10:19:00 +0000 (10:19 +0000)
committerjsg <jsg@openbsd.org>
Tue, 16 Apr 2024 10:19:00 +0000 (10:19 +0000)
usr.bin/less/filename.c

index 0aaecac..0f5e184 100644 (file)
@@ -378,85 +378,6 @@ bin_file(int f)
        return (bin_count > 5);
 }
 
-/*
- * Read a string from a file.
- * Return a pointer to the string in memory.
- */
-static char *
-readfd(FILE *fd)
-{
-       int len;
-       int ch;
-       char *buf;
-       char *p;
-
-       /*
-        * Make a guess about how many chars in the string
-        * and allocate a buffer to hold it.
-        */
-       len = 100;
-       buf = ecalloc(len, sizeof (char));
-       for (p = buf; ; p++) {
-               if ((ch = getc(fd)) == '\n' || ch == EOF)
-                       break;
-               if (p >= buf + len-1) {
-                       /*
-                        * The string is too big to fit in the buffer we have.
-                        * Allocate a new buffer, twice as big.
-                        */
-                       len *= 2;
-                       *p = '\0';
-                       p = ecalloc(len, sizeof (char));
-                       strlcpy(p, buf, len);
-                       free(buf);
-                       buf = p;
-                       p = buf + strlen(buf);
-               }
-               *p = (char)ch;
-       }
-       *p = '\0';
-       return (buf);
-}
-
-/*
- * Execute a shell command.
- * Return a pointer to a pipe connected to the shell command's standard output.
- */
-static FILE *
-shellcmd(char *cmd)
-{
-       FILE *fd;
-
-       char *shell;
-
-       shell = lgetenv("SHELL");
-       if (shell != NULL && *shell != '\0') {
-               char *scmd;
-               char *esccmd;
-
-               /*
-                * Read the output of <$SHELL -c cmd>.
-                * Escape any metacharacters in the command.
-                */
-               esccmd = shell_quote(cmd);
-               if (esccmd == NULL) {
-                       fd = popen(cmd, "r");
-               } else {
-                       scmd = easprintf("%s -c %s", shell, esccmd);
-                       free(esccmd);
-                       fd = popen(scmd, "r");
-                       free(scmd);
-               }
-       } else {
-               fd = popen(cmd, "r");
-       }
-       /*
-        * Redirection in `popen' might have messed with the
-        * standard devices.  Restore binary input mode.
-        */
-       return (fd);
-}
-
 /*
  * Expand a filename, doing any system-specific metacharacter substitutions.
  */