/* Licensed under BSD-MIT - see LICENSE file for details */
#ifndef CCAN_STR_TAL_H
#define CCAN_STR_TAL_H
+#ifdef TAL_USE_TALLOC
+#include <ccan/tal/talloc/talloc.h>
+#else
#include <ccan/tal/tal.h>
-#include <ccan/tal/tal.h>
+#endif
#include <string.h>
#include <stdbool.h>
* tal_strdup - duplicate a string
* @ctx: NULL, or tal allocated object to be parent.
* @p: the string to copy (can be take()).
+ *
+ * The returned string will have tal_count() == strlen() + 1.
*/
-char *tal_strdup(const tal_t *ctx, const char *p);
+#define tal_strdup(ctx, p) tal_strdup_(ctx, p, TAL_LABEL(char, "[]"))
+char *tal_strdup_(const tal_t *ctx, const char *p TAKES, const char *label);
/**
* tal_strndup - duplicate a limited amount of a string.
* @n: the maximum length to copy.
*
* Always gives a nul-terminated string, with strlen() <= @n.
+ * The returned string will have tal_count() == strlen() + 1.
*/
-char *tal_strndup(const tal_t *ctx, const char *p, size_t n);
+#define tal_strndup(ctx, p, n) tal_strndup_(ctx, p, n, TAL_LABEL(char, "[]"))
+char *tal_strndup_(const tal_t *ctx, const char *p TAKES, size_t n,
+ const char *label);
/**
* tal_fmt - allocate a formatted string
* @ctx: NULL, or tal allocated object to be parent.
* @fmt: the printf-style format (can be take()).
+ *
+ * The returned string will have tal_count() == strlen() + 1.
*/
-char *tal_fmt(const tal_t *ctx, const char *fmt, ...) PRINTF_FMT(2,3);
+#define tal_fmt(ctx, ...) \
+ tal_fmt_(ctx, TAL_LABEL(char, "[]"), __VA_ARGS__)
+char *tal_fmt_(const tal_t *ctx, const char *label, const char *fmt TAKES,
+ ...) PRINTF_FMT(3,4);
/**
* tal_vfmt - allocate a formatted string (va_list version)
* @ctx: NULL, or tal allocated object to be parent.
* @fmt: the printf-style format (can be take()).
* @va: the va_list containing the format args.
+ *
+ * The returned string will have tal_count() == strlen() + 1.
*/
-char *tal_vfmt(const tal_t *ctx, const char *fmt, va_list ap)
+#define tal_vfmt(ctx, fmt, va) \
+ tal_vfmt_(ctx, fmt, va, TAL_LABEL(char, "[]"))
+char *tal_vfmt_(const tal_t *ctx, const char *fmt TAKES, va_list ap,
+ const char *label)
PRINTF_FMT(2,0);
/**
* @fmt: the printf-style format (can be take()).
*
* Returns false on allocation failure.
+ * Otherwise tal_count(*@baseptr) == strlen(*@baseptr) + 1.
*/
-bool tal_append_fmt(char **baseptr, const char *fmt, ...) PRINTF_FMT(2,3);
+bool tal_append_fmt(char **baseptr, const char *fmt TAKES, ...) PRINTF_FMT(2,3);
/**
* tal_append_vfmt - append a formatted string to a talloc string (va_list)
* @va: the va_list containing the format args.
*
* Returns false on allocation failure.
+ * Otherwise tal_count(*@baseptr) == strlen(*@baseptr) + 1.
*/
-bool tal_append_vfmt(char **baseptr, const char *fmt, va_list ap);
+bool tal_append_vfmt(char **baseptr, const char *fmt TAKES, va_list ap);
/**
* tal_strcat - join two strings together
* @ctx: NULL, or tal allocated object to be parent.
* @s1: the first string (can be take()).
* @s2: the second string (can be take()).
+ *
+ * The returned string will have tal_count() == strlen() + 1.
*/
-char *tal_strcat(const tal_t *ctx, const char *s1, const char *s2);
+#define tal_strcat(ctx, s1, s2) tal_strcat_(ctx, s1, s2, TAL_LABEL(char, "[]"))
+char *tal_strcat_(const tal_t *ctx, const char *s1 TAKES, const char *s2 TAKES,
+ const char *label);
enum strsplit {
STR_EMPTY_OK,
* return long_lines;
* }
*/
-char **tal_strsplit(const tal_t *ctx,
- const char *string, const char *delims, enum strsplit flag);
+#define tal_strsplit(ctx, string, delims, flag) \
+ tal_strsplit_(ctx, string, delims, flag, TAL_LABEL(char *, "[]"))
+char **tal_strsplit_(const tal_t *ctx,
+ const char *string TAKES,
+ const char *delims TAKES,
+ enum strsplit flag,
+ const char *label);
enum strjoin {
STR_TRAIL,
* return value is allocated using tal. Each string in @strings is
* followed by a copy of @delim.
*
+ * The returned string will have tal_count() == strlen() + 1.
+ *
* Example:
* // Append the string "--EOL" to each line.
* static char *append_to_all_lines(const char *string)
* return ret;
* }
*/
-char *tal_strjoin(const void *ctx, char *strings[], const char *delim,
- enum strjoin flags);
+#define tal_strjoin(ctx, strings, delim, flags) \
+ tal_strjoin_(ctx, strings, delim, flags, TAL_LABEL(char, "[]"))
+char *tal_strjoin_(const void *ctx,
+ char *strings[] TAKES,
+ const char *delim TAKES,
+ enum strjoin flags,
+ const char *label);
/**
* tal_strreg - match/extract from a string via (extended) regular expressions.
* non-existent matches (eg "([a-z]*)?") the pointer is set to NULL.
*
* Allocation failures or malformed regular expressions return false.
+ * The allocated strings will have tal_count() == strlen() + 1.
*
* See Also:
* regcomp(3), regex(3).
*
* Example:
- * // Given 'My name is Rusty' outputs 'Hello Rusty!'
- * // Given 'my first name is Rusty Russell' outputs 'Hello Rusty Russell!'
- * // Given 'My name isnt Rusty Russell' outputs 'Hello there!'
+ * // Given "My name is Rusty" outputs "Hello Rusty!\n"
+ * // Given "my first name is Rusty Russell" outputs "Hello Rusty Russell!\n"
+ * // Given "My name isnt Rusty Russell" outputs "Hello there!\n"
* int main(int argc, char *argv[])
* {
* char *person, *input;
*
+ * (void)argc;
* // Join args and trim trailing space.
* input = tal_strjoin(NULL, argv+1, " ", STR_NO_TRAIL);
* if (tal_strreg(NULL, input,
* return 0;
* }
*/
-bool tal_strreg(const void *ctx, const char *string, const char *regex, ...);
+#define tal_strreg(ctx, string, ...) \
+ tal_strreg_(ctx, string, TAL_LABEL(char, "[]"), __VA_ARGS__)
+bool tal_strreg_(const void *ctx, const char *string TAKES,
+ const char *label, const char *regex, ...);
#endif /* CCAN_STR_TAL_H */
projects / ccan / blobdiff