diff options
Diffstat (limited to 'src/3rdparty/xcb/xcb-util/atoms.c')
-rw-r--r-- | src/3rdparty/xcb/xcb-util/atoms.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/3rdparty/xcb/xcb-util/atoms.c b/src/3rdparty/xcb/xcb-util/atoms.c new file mode 100644 index 0000000000..7b3aec6c0e --- /dev/null +++ b/src/3rdparty/xcb/xcb-util/atoms.c @@ -0,0 +1,76 @@ +/* Rely on vasprintf (GNU extension) instead of vsnprintf if + possible... */ +#ifdef HAVE_VASPRINTF +#define _GNU_SOURCE +#include <stdio.h> +#endif + +#include <xcb/xcb.h> +#include <stdlib.h> +#include <stdarg.h> +#include "xcb_atom.h" + +static char *makename(const char *fmt, ...) +{ + char *ret; + int n; + va_list ap; + +#ifndef HAVE_VASPRINTF + char *np; + int size = 64; + + /* First allocate 'size' bytes, should be enough usually */ + if((ret = malloc(size)) == NULL) + return NULL; + + while(1) + { + va_start(ap, fmt); + n = vsnprintf(ret, size, fmt, ap); + va_end(ap); + + if(n < 0) + return NULL; + + if(n < size) + return ret; + + size = n + 1; + if((np = realloc(ret, size)) == NULL) + { + free(ret); + return NULL; + } + + ret = np; + } +#else + va_start(ap, fmt); + n = vasprintf(&ret, fmt, ap); + va_end(ap); + + if(n < 0) + return NULL; + + return ret; +#endif +} + +char *xcb_atom_name_by_screen(const char *base, uint8_t screen) +{ + return makename("%s_S%u", base, screen); +} + +char *xcb_atom_name_by_resource(const char *base, uint32_t resource) +{ + return makename("%s_R%08X", base, resource); +} + +char *xcb_atom_name_unique(const char *base, uint32_t id) +{ + if(base) + return makename("%s_U%lu", base, id); + else + return makename("U%lu", id); +} |