Add a check for libosl to configure.ac.

[paraslash.git] / string.h

diff --git a/string.h b/string.h
index a9dfae90019ed9cd37490c9d4555bc06f53219be..d28b0ac4633e5457f97da5b00465973f3c6bba6c 100644 (file)
--- a/string.h
+++ b/string.h
@@ -6,6 +6,12 @@
 
 /** \file string.h exported sybmols from string.c */
 
+/** Flags that change how content is printed into the buffer. */
+enum para_buffer_flags {
+       /** Prefix each buffer with its length. */
+       PBF_SIZE_PREFIX = 1,
+};
+
 /** A string buffer used for para_printf(). */
 struct para_buffer {
        /** The buffer. May be \p NULL. */
@@ -14,6 +20,8 @@ struct para_buffer {
        size_t size;
        /** The maximal size this buffer may grow. Zero means unlimited. */
        size_t max_size;
+       /** \sa para_buffer_flags. */
+       unsigned flags;
        /** The next para_printf() will write at this offset. */
        size_t offset;
        /**
@@ -26,6 +34,28 @@ struct para_buffer {
        void *private_data;
 };
 
+/**
+  * Write the contents of a status item to a para_buffer.
+  *
+  * \param b The para_buffer.
+  * \param n The number of the status item.
+  * \param f A format string.
+  *
+  * \return The return value of the underlying call to para_printf().
+  */
+#define WRITE_STATUS_ITEM(b, n, f, ...) (\
+{ \
+       int _ret; \
+       if ((b)->flags & PBF_SIZE_PREFIX) { \
+               _ret = para_printf((b), "%02x:" f, n, ## __VA_ARGS__); \
+       } else { \
+               _ret = para_printf((b), "%s: " f, status_item_list[(n)], \
+                       ## __VA_ARGS__); \
+       } \
+       _ret; \
+} \
+)
+
 __must_check __malloc void *para_realloc(void *p, size_t size);
 __must_check __malloc void *para_malloc(size_t size);
 __must_check __malloc void *para_calloc(size_t size);
@@ -33,7 +63,7 @@ __must_check __malloc char *para_strdup(const char *s);
 __must_check __malloc __printf_1_2 char *make_message(const char *fmt, ...);
 __must_check __malloc char *para_strcat(char *a, const char *b);
 __must_check __malloc char *para_dirname(const char *name);
-__must_check const char *para_basename(const char *name);
+__must_check char *para_basename(const char *name);
 void chop(char *buf);
 __must_check __malloc char *para_logname(void);
 __must_check __malloc char *para_homedir(void);
@@ -49,3 +79,4 @@ int for_each_line_ro(char *buf, size_t size, line_handler_t *line_handler,
 int para_atoi64(const char *str, int64_t *result);
 int para_atoi32(const char *str, int32_t *value);
 int get_loglevel_by_name(const char *txt);
+int read_size_header(const char *buf);