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libpkgconf: buffer: add pkgconf_buffer_append_vfmt

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Signed-off-by: Ariadne Conill <ariadne@ariadne.space>
This commit is contained in:
Ariadne Conill 2025-12-23 13:30:34 -08:00
parent cf246dba4f
commit def161ad50
2 changed files with 14 additions and 3 deletions
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16
libpkgconf/buffer.c
View File

@ -66,19 +66,19 @@ pkgconf_buffer_append(pkgconf_buffer_t *buffer, const char *text)
}
void
pkgconf_buffer_append_fmt(pkgconf_buffer_t *buffer, const char *fmt, ...)
pkgconf_buffer_append_vfmt(pkgconf_buffer_t *buffer, const char *fmt, va_list src_va)
{
va_list va;
char *buf;
size_t needed;
va_start(va, fmt);
va_copy(va, src_va);
needed = vsnprintf(NULL, 0, fmt, va) + 1;
va_end(va);
buf = malloc(needed);
va_start(va, fmt);
va_copy(va, src_va);
vsnprintf(buf, needed, fmt, va);
va_end(va);
@ -87,6 +87,16 @@ pkgconf_buffer_append_fmt(pkgconf_buffer_t *buffer, const char *fmt, ...)
free(buf);
}
void
pkgconf_buffer_append_fmt(pkgconf_buffer_t *buffer, const char *fmt, ...)
{
va_list va;
va_start(va, fmt);
pkgconf_buffer_append_vfmt(buffer, fmt, va);
va_end(va);
}
void
pkgconf_buffer_push_byte(pkgconf_buffer_t *buffer, char byte)
{

1
libpkgconf/libpkgconf.h
View File

@ -441,6 +441,7 @@ PKGCONF_API void pkgconf_path_prepend_list(pkgconf_list_t *dst, const pkgconf_li
/* buffer.c */
PKGCONF_API void pkgconf_buffer_append(pkgconf_buffer_t *buffer, const char *text);
PKGCONF_API void pkgconf_buffer_append_fmt(pkgconf_buffer_t *buffer, const char *fmt, ...) PRINTFLIKE(2, 3);
PKGCONF_API void pkgconf_buffer_append_vfmt(pkgconf_buffer_t *buffer, const char *fmt, va_list va);
PKGCONF_API void pkgconf_buffer_push_byte(pkgconf_buffer_t *buffer, char byte);
PKGCONF_API void pkgconf_buffer_trim_byte(pkgconf_buffer_t *buffer);
PKGCONF_API void pkgconf_buffer_finalize(pkgconf_buffer_t *buffer);