play.c: Remove bogus __a_unused attribute for session_open().

[paraslash.git] / string.c

diff --git a/string.c b/string.c
index 38e25b09c5f3ff2b289d6e943a0f7bde3bfc23ad..c35285153fdadf031fafb544aea4affdf066a86d 100644 (file)
--- a/string.c
+++ b/string.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2013 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2004 Andre Noll <maan@tuebingen.mpg.de>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -31,12 +31,12 @@
  * A wrapper for realloc(3). It calls \p exit(\p EXIT_FAILURE) on errors,
  * i.e. there is no need to check the return value in the caller.
  *
- * \return A pointer to  the newly allocated memory, which is suitably aligned
- * for any kind of variable and may be different from \a p.
+ * \return A pointer to newly allocated memory which is suitably aligned for
+ * any kind of variable and may be different from \a p.
  *
  * \sa realloc(3).
  */
-__must_check __malloc void *para_realloc(void *p, size_t size)
+__must_check void *para_realloc(void *p, size_t size)
 {
        /*
         * No need to check for NULL pointers: If p is NULL, the call
@@ -298,24 +298,6 @@ __must_check char *para_basename(const char *name)
        return ret;
 }
 
-/**
- * Cut trailing newline.
- *
- * \param buf The string to be chopped.
- *
- * Replace the last character in \p buf by zero if it is equal to
- * the newline character.
- */
-void chop(char *buf)
-{
-       int n = strlen(buf);
-
-       if (!n)
-               return;
-       if (buf[n - 1] == '\n')
-               buf[n - 1] = '\0';
-}
-
 /**
  * Get the logname of the current user.
  *
@@ -398,14 +380,13 @@ int for_each_line(unsigned flags, char *buf, size_t size,
                char *next_cr;
 
                next_cr = memchr(start, '\n', buf + size - start);
-               next_null = memchr(start, '\0', buf + size - start);
+               next_null = memchr(start, '\0', next_cr?
+                       next_cr - start : buf + size - start);
                if (!next_cr && !next_null)
                        break;
-               if (next_cr && next_null) {
-                       end = next_cr < next_null? next_cr : next_null;
-               } else if (next_null) {
+               if (next_null)
                        end = next_null;
-               } else
+               else
                        end = next_cr;
                num_lines++;
                if (!(flags & FELF_DISCARD_FIRST) || start != buf) {
@@ -581,10 +562,18 @@ int para_atoi64(const char *str, int64_t *value)
        tmp = strtoll(str, &endptr, 10);
        if (errno == ERANGE && (tmp == LLONG_MAX || tmp == LLONG_MIN))
                return -E_ATOI_OVERFLOW;
-       if (errno != 0 && tmp == 0) /* other error */
-               return -E_STRTOLL;
+       /*
+        * If there were no digits at all, strtoll() stores the original value
+        * of str in *endptr.
+        */
        if (endptr == str)
                return -E_ATOI_NO_DIGITS;
+       /*
+        * The implementation may also set errno and return 0 in case no
+        * conversion was performed.
+        */
+       if (errno != 0 && tmp == 0)
+               return -E_ATOI_NO_DIGITS;
        if (*endptr != '\0') /* Further characters after number */
                return -E_ATOI_JUNK_AT_END;
        *value = tmp;