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Diffstat (limited to 'payloads/libpayload/libc/readline.c')
-rw-r--r--payloads/libpayload/libc/readline.c46
1 files changed, 23 insertions, 23 deletions
diff --git a/payloads/libpayload/libc/readline.c b/payloads/libpayload/libc/readline.c
index 4faf3d7895..01a565a698 100644
--- a/payloads/libpayload/libc/readline.c
+++ b/payloads/libpayload/libc/readline.c
@@ -27,27 +27,27 @@
* SUCH DAMAGE.
*/
-/** @file libc/readline.c
- * @brief Simple readline implementation
+/**
+ * @file libc/readline.c
+ * Simple readline implementation
*/
#include <libpayload.h>
-static char * readline_buffer;
+static char *readline_buffer;
static int readline_bufferlen;
/**
- * @brief Read a line from the terminal and return it
- * @param prompt A prompt to display on the line
- * @return A pointer to the input string
+ * Read a line from the terminal and return it.
+ *
+ * This readline implementation is rather simple, but it does more than the
+ * original readline() because it allows us to have a pre-filled buffer.
+ * To pre-fill the buffer, use the getline() function.
*
- * Read a line from the terminal and return it. This readline implementation
- * is rather simple, but it does more than the original readline() because
- * it allows us to have a pre-filled buffer. To pre-fill the buffer, use the
- * getline() function.
+ * @param prompt A prompt to display on the line.
+ * @return A pointer to the input string.
*/
-
-char * readline(const char * prompt)
+char *readline(const char *prompt)
{
char *buffer;
int current, ch, nonspace_seen;
@@ -141,7 +141,6 @@ char * readline(const char * prompt)
}
}
-
out:
if (current >= readline_bufferlen)
current = readline_bufferlen - 1;
@@ -151,22 +150,23 @@ out:
}
/**
- * @brief Read a line from the input and store it in a buffer
- * @param prompt A buffer to store the line in
- * @param len Length of the buffer
- * @return The final length of the string
- * This function allows the user to pass a predefined buffer to
- * readline(). The buffer may be filled with a default value
- * which will be displayed by readline and can be edited as normal.
- * The final input string returned by readline will be returned in
+ * Read a line from the input and store it in a buffer.
+ *
+ * This function allows the user to pass a predefined buffer to readline().
+ * The buffer may be filled with a default value which will be displayed by
+ * readline() and can be edited as normal.
+ * The final input string returned by readline() will be returned in
* the buffer and the function will return the length of the string.
+ *
+ * @param buffer Pointer to a buffer to store the line in.
+ * @param len Length of the buffer.
+ * @return The final length of the string.
*/
-
int getline(char *buffer, int len)
{
readline_buffer = buffer;
readline_bufferlen = len;
readline(NULL);
+
return strlen(buffer);
}
-