Changeset 42abb10 for util.c

Timestamp:

Sep 16, 2002, 2:51:33 PM (22 years ago)

Author:

James M. Kretchmar <kretch@mit.edu>

Branches:

master, barnowl_perlaim, debian, owl, release-1.10, release-1.4, release-1.5, release-1.6, release-1.7, release-1.8, release-1.9

Children:

af2ca19

Parents:

425c013

Message:

There is now a 'zlist' command that acts like 'znol -l'
'l' is bound to 'zlist'

File:

• util.c (modified) (7 diffs)

util.c

@@ -148 +148 @@
 }
 
-/* skips n tokens and returns where that would be.
- * TODO: handle quotes more sanely. */
 char *skiptokens(char *buff, int n) {
+  /* skips n tokens and returns where that would be.
+   * TODO: handle quotes more sanely. */
+  
   int inquotes=0;
   while (*buff && n>0) {
@@ -288 +289 @@
 
 char *stristr(char *a, char *b) {
+  /* exactly like strstr but it's case insensitive */
   char *x, *y, *ret;
 
@@ -306 +308 @@
 }
 
-/* Caller must free response. 
-   Takes in strings which are space-separated lists of tokens
-   and returns a single string containing no token more than once.
-   If prohibit is non-null, no token may start with a character
-   in prohibit.
-*/
 char *owl_util_uniq(char *A, char *B, char *prohibit) {
+  /* Caller must free response. 
+     Takes in strings which are space-separated lists of tokens
+     and returns a single string containing no token more than once.
+     If prohibit is non-null, no token may start with a character
+     in prohibit.
+  */
+  
   char *cat, **tok;
   int toklen, i, j, first=1;
@@ -338 +341 @@
 }
 
-
-
-/* returns if a string is only whitespace */
 int only_whitespace(char *s) {
+  /* returns if a string is only whitespace */
+
   int i;
   for (i=0; s[i]; i++) {
@@ -349 +351 @@
 }
 
+/* hooks for doing memory allocation et. al. in owl */
+
 void *owl_malloc(size_t size) {
   return(malloc(size));
@@ -365 +369 @@
 }
 
-/* allocates memory and returns the string or null.
- * caller must free the string. 
- * from Linux sprintf man page. 
- */
 char *owl_sprintf(const char *fmt, ...) {
+  /* allocates memory and returns the string or null.
+   * caller must free the string. 
+   * from Linux sprintf man page. 
+   */
+  
   int n, size = 100;
   char *p;
   va_list ap;
-  if ((p = owl_malloc (size)) == NULL)
-    return NULL;
+  if ((p = owl_malloc (size)) == NULL) return (NULL);
   while (1) {
     /* Try to print in the allocated space. */
@@ -427 +431 @@
 }
 
-/* Caller must free returned string.
- * Returns a string with any occurances of 'from' replaced with 'to'.
- * Does not currently handle backslash quoting, but may in the future.
- */
 char *owl_util_substitute(char *in, char *from, char *to) {
+  /* Caller must free returned string.
+   * Returns a string with any occurances of 'from' replaced with 'to'.
+   * Does not currently handle backslash quoting, but may in the future.
+   */
+  
   char *out;
   int   outlen, tolen, fromlen, inpos=0, outpos=0;