diff options
Diffstat (limited to 'payloads/libpayload/libc/readline.c')
-rw-r--r-- | payloads/libpayload/libc/readline.c | 46 |
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); } - |