X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=string.c;h=e675502cf6707240a61be523c6fb510692991acd;hp=e731bb496b4b0d0f2f5a7dac417cbbeab7b9f3f6;hb=6811b2f8ea8b7a8c77046285c9432aee6327da80;hpb=3fd8d0567ae654aed7e97e832568d3e1b98e20a2;ds=sidebyside

diff --git a/string.c b/string.c
index e731bb49..e675502c 100644
--- a/string.c
+++ b/string.c
@@ -6,19 +6,15 @@
 
 /** \file string.c Memory allocation and string handling functions. */
 
-#define _GNU_SOURCE
+#include "para.h"
 
 #include <pwd.h>
 #include <sys/utsname.h> /* uname() */
-
-#include <string.h>
 #include <regex.h>
-
 #include <langinfo.h>
 #include <wchar.h>
 #include <wctype.h>
 
-#include "para.h"
 #include "string.h"
 #include "error.h"
 
@@ -193,7 +189,7 @@ __printf_2_3 unsigned xasprintf(char **result, const char *fmt, ...)
  * \return This function either returns a pointer to a string that must be
  * freed by the caller or aborts without returning.
  *
- * \sa printf(3), xasprintf().
+ * \sa printf(3), \ref xasprintf().
  */
 __must_check __printf_1_2 __malloc char *make_message(const char *fmt, ...)
 {
@@ -233,7 +229,7 @@ void freep(void *arg)
  * return \a a without making a copy of \a a.  Otherwise, construct the
  * concatenation \a c, free \a a (but not \a b) and return \a c.
  *
- * \sa strcat(3)
+ * \sa strcat(3).
  */
 __must_check __malloc char *para_strcat(char *a, const char *b)
 {
@@ -551,7 +547,7 @@ __printf_2_3 int para_printf(struct para_buffer *b, const char *fmt, ...)
  *
  * \return Standard.
  *
- * \sa para_atoi32(), strtol(3), atoi(3).
+ * \sa \ref para_atoi32(), strtol(3), atoi(3).
  */
 int para_atoi64(const char *str, int64_t *value)
 {
@@ -588,7 +584,7 @@ int para_atoi64(const char *str, int64_t *value)
  *
  * \return Standard.
  *
- * \sa para_atoi64().
+ * \sa \ref para_atoi64().
 */
 int para_atoi32(const char *str, int32_t *value)
 {
@@ -806,15 +802,18 @@ err:
  * Split a buffer into words.
  *
  * This parser honors single and double quotes, backslash-escaped characters
- * and special characters like \p \\n. The result contains pointers to copies
- * of the words contained in \a buf and has to be freed by using \ref
- * free_argv().
+ * and special characters like \\n. The result contains pointers to copies of
+ * the words contained in buf and has to be freed by using \ref free_argv().
  *
  * \param buf The buffer to be split.
  * \param delim Each character in this string is treated as a separator.
  * \param result The array of words is returned here.
  *
- * \return Number of words in \a buf, negative on errors.
+ * It's OK to pass NULL as the buffer argument. This is equivalent to passing
+ * the empty string.
+ *
+ * \return Number of words in buf, negative on errors. The array returned
+ * through the result pointer is NULL terminated.
  */
 int create_argv(const char *buf, const char *delim, char ***result)
 {