From 5b401722520386cfe3dd920fd59cc0d47e9f9503 Mon Sep 17 00:00:00 2001
From: Kyle K <kylek389@gmail.com>
Date: Fri, 11 Feb 2011 16:37:00 -0600
Subject: cleanups

---
 strpbrk.c | 57 ++++++++++++++++-----------------------------------------
 1 file changed, 16 insertions(+), 41 deletions(-)

(limited to 'strpbrk.c')

diff --git a/strpbrk.c b/strpbrk.c
index 4d614d7..a292a6e 100644
--- a/strpbrk.c
+++ b/strpbrk.c
@@ -2,20 +2,27 @@
 #include <stdlib.h>
 #include <string.h>
 
-char **redir_chop(const char *line)
+char **redir_chop(const char *, const char);
+
+/* chops a line into 2 string that are seperated by redir_delim  */
+char **redir_chop(const char *line, const char redir_delim)
 {
     if (!line)
         return NULL;
 
-    const char *redir_delim = "><";
+    const char *delim = &redir_delim;
 
-    char *pipe_redir = strpbrk(line, redir_delim);
+    char *pipe_redir = strpbrk(line, delim);
     if (pipe_redir == NULL)
         return NULL;
 
     size_t redir_delta = pipe_redir - line;
-    char *former = (char *) malloc(sizeof(char) * 100);
-    char *latter = (char *) malloc(sizeof(char) * 100);
+    char **ret = (char **) malloc(sizeof(char *) * 2);
+    ret[0] = (char *) malloc(sizeof(char) * 256 * 2);
+    ret[1] = ret[0] + 256;
+
+    char *former = ret[0];
+    char *latter = ret[1];
 
     strncpy(former, line, redir_delta);
     former[redir_delta] ='\0';
@@ -31,50 +38,18 @@ char **redir_chop(const char *line)
         ;
     strncpy(latter, line+j, (line + strlen(line)) - pipe_redir);
 
-    char **ret = (char **) malloc(sizeof(char *) * 2);
-    ret[0] = (char *) former;
-    ret[1] = (char *) latter;
-
     return ret;
 }
 
 int main(int argc, char *argv[])
 {
     const char *line = "ls -1 -al > filename.txt";
-
-#if 0
-    const char *redir_delim = "><";
-
-    char *pipe_redir = strpbrk(line, redir_delim);
-    size_t redir_delta = pipe_redir - line;
-    char *former = (char *) malloc(sizeof(char) * 100);
-    char *latter = (char *) malloc(sizeof(char) * 100);
-
-    strncpy(former, line, redir_delta);
-    former[redir_delta] ='\0';
-
-    /* delete spaces at the end of former string */
-    int i = strlen(former) - 1;
-    while (former[i] == ' ')
-        former[i--] = '\0';
-
-    /* skip spaces in latter string and then copy over */
-    int j = redir_delta;
-    while (line[++j] == ' ')
-        ;
-    strncpy(latter, line+j, (line + strlen(line)) - pipe_redir);
-
-    printf("former string: \"%s\"\n", former);
-    printf("latter string: \"%s\"\n", latter);
-
-    free(former);
-    free(latter);
-#endif
-
-    char **chopped = redir_chop(line);
+    char **chopped = redir_chop(line, '>');
  
     printf("former string: \"%s\"\n", chopped[0]);
-    printf("latter string: \"%s\"\n", chopped[1]);   
+    printf("latter string: \"%s\"\n", chopped[1]);
+
+    free(chopped);
     
     return 0;
 }
-- 
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