diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/utils/buffer.c | 33 | ||||
| -rw-r--r-- | src/utils/endian.h | 4 |
2 files changed, 35 insertions, 2 deletions
diff --git a/src/utils/buffer.c b/src/utils/buffer.c index 5e0f58c..4b68923 100644 --- a/src/utils/buffer.c +++ b/src/utils/buffer.c @@ -6,6 +6,7 @@ */ #include <string.h> +#include <stdarg.h> #include <parserutils/utils/buffer.h> @@ -131,6 +132,38 @@ parserutils_error parserutils_buffer_append(parserutils_buffer *buffer, } /** + * Append multiple data blocks to a memory buffer. + * + * Each data block must be passed as a pair of const uint8_t* and size_t + * + * \param buffer The buffer to append to + * \param count The number of data blocks to append + * \param ... The pairs of pointer and size + * \return PARSERUTILS_OK on success, appropriate error otherwise. +*/ +parserutils_error parserutils_buffer_appendv(parserutils_buffer *buffer, + size_t count, ...) +{ + va_list ap; + parserutils_error error = PARSERUTILS_OK; + const uint8_t *data; + size_t len; + + va_start(ap, count); + while (count > 0) { + data = va_arg(ap, const uint8_t *); + len = va_arg(ap, size_t); + error = parserutils_buffer_append(buffer, data, len); + if (error != PARSERUTILS_OK) + break; + count--; + } + va_end(ap); + + return error; +} + +/** * Insert data into a memory buffer * * \param buffer The buffer to insert into diff --git a/src/utils/endian.h b/src/utils/endian.h index 8a4760b..3227c30 100644 --- a/src/utils/endian.h +++ b/src/utils/endian.h @@ -10,9 +10,9 @@ static inline bool endian_host_is_le(void) { - static uint32_t magic = 0x10000002; + const uint16_t test = 1; - return (((uint8_t *) &magic)[0] == 0x02); + return ((const uint8_t *) &test)[0]; } static inline uint32_t endian_swap(uint32_t val) |