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-rw-r--r--src/utils.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/src/utils.c b/src/utils.c
index 7364bfb1..ea1de0f5 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -42,6 +42,8 @@
* \file utils.c */
static __thread char namebuf[255];
+/* shared by osmo_str_tolower() and osmo_str_toupper() */
+static __thread char capsbuf[128];
/*! get human-readable string for given value
* \param[in] vs Array of value_string tuples
@@ -901,16 +903,15 @@ size_t osmo_str_tolower_buf(char *dest, size_t dest_len, const char *src)
/*! Convert a string to lowercase, using a static buffer.
* The resulting string may be truncated if the internally used static buffer is shorter than src.
* The internal buffer is at least 128 bytes long, i.e. guaranteed to hold at least 127 characters and a
- * terminating nul.
+ * terminating nul. The static buffer returned is shared with osmo_str_toupper().
* See also osmo_str_tolower_buf().
* \param[in] src String to convert to lowercase.
* \returns Resulting lowercase string in a static buffer, always nul terminated.
*/
const char *osmo_str_tolower(const char *src)
{
- static __thread char buf[128];
- osmo_str_tolower_buf(buf, sizeof(buf), src);
- return buf;
+ osmo_str_tolower_buf(capsbuf, sizeof(capsbuf), src);
+ return capsbuf;
}
/*! Convert a string to lowercase, dynamically allocating the output from given talloc context
@@ -960,16 +961,15 @@ size_t osmo_str_toupper_buf(char *dest, size_t dest_len, const char *src)
/*! Convert a string to uppercase, using a static buffer.
* The resulting string may be truncated if the internally used static buffer is shorter than src.
* The internal buffer is at least 128 bytes long, i.e. guaranteed to hold at least 127 characters and a
- * terminating nul.
+ * terminating nul. The static buffer returned is shared with osmo_str_tolower().
* See also osmo_str_toupper_buf().
* \param[in] src String to convert to uppercase.
* \returns Resulting uppercase string in a static buffer, always nul terminated.
*/
const char *osmo_str_toupper(const char *src)
{
- static __thread char buf[128];
- osmo_str_toupper_buf(buf, sizeof(buf), src);
- return buf;
+ osmo_str_toupper_buf(capsbuf, sizeof(capsbuf), src);
+ return capsbuf;
}
/*! Convert a string to uppercase, dynamically allocating the output from given talloc context