diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_dump.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c index a784b7cc3c1..76a09af18ee 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_dump.c +++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c @@ -27,6 +27,7 @@ #include "util/u_debug.h" #include "util/u_string.h" +#include "util/u_math.h" #include "tgsi_dump.h" #include "tgsi_info.h" #include "tgsi_iterate.h" @@ -516,7 +517,7 @@ struct str_dump_ctx struct dump_ctx base; char *str; char *ptr; - size_t left; + int left; }; static void @@ -525,13 +526,20 @@ str_dump_ctx_printf(struct dump_ctx *ctx, const char *format, ...) struct str_dump_ctx *sctx = (struct str_dump_ctx *)ctx; if(sctx->left > 1) { - size_t written; + int written; va_list ap; va_start(ap, format); written = util_vsnprintf(sctx->ptr, sctx->left, format, ap); va_end(ap); - sctx->ptr += written; - sctx->left -= written; + + /* Some complicated logic needed to handle the return value of + * vsnprintf: + */ + if (written > 0) { + written = MIN2(sctx->left, written); + sctx->ptr += written; + sctx->left -= written; + } } } @@ -556,7 +564,7 @@ tgsi_dump_str( ctx.str = str; ctx.str[0] = 0; ctx.ptr = str; - ctx.left = size; + ctx.left = (int)size; tgsi_iterate_shader( tokens, &ctx.base.iter ); } |