From 0fd61fb639f7704c4faa8c7fd262af32b3a1a01b Mon Sep 17 00:00:00 2001
From: Emil Velikov <emil.velikov@collabora.com>
Date: Tue, 24 Jan 2017 21:21:10 +0000
Subject: [PATCH] util/sha1: drop _mesa_sha1_{update, format} return type

Unused/unchecked by any of the callers.

v2: Fix the glsl cases that have crept in since v1

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Grazvydas Ignotas <notasas@gmail.com>
---
 src/compiler/glsl/glsl_parser_extras.cpp |  4 ++--
 src/compiler/glsl/shader_cache.cpp       | 15 ++++++++-------
 src/util/mesa-sha1.c                     |  7 ++-----
 src/util/mesa-sha1.h                     |  4 ++--
 4 files changed, 14 insertions(+), 16 deletions(-)

diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp
index 776636c..48cbc01 100644
--- a/src/compiler/glsl/glsl_parser_extras.cpp
+++ b/src/compiler/glsl/glsl_parser_extras.cpp
@@ -1943,8 +1943,8 @@ _mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader,
       if (ctx->Cache && disk_cache_has_key(ctx->Cache, shader->sha1)) {
          /* We've seen this shader before and know it compiles */
          if (ctx->_Shader->Flags & GLSL_CACHE_INFO) {
-            fprintf(stderr, "deferring compile of shader: %s\n",
-                    _mesa_sha1_format(buf, shader->sha1));
+            _mesa_sha1_format(buf, shader->sha1);
+            fprintf(stderr, "deferring compile of shader: %s\n", buf);
          }
          shader->CompileStatus = compile_skipped;
 
diff --git a/src/compiler/glsl/shader_cache.cpp b/src/compiler/glsl/shader_cache.cpp
index 7d8d63b..4b314d5 100644
--- a/src/compiler/glsl/shader_cache.cpp
+++ b/src/compiler/glsl/shader_cache.cpp
@@ -1265,8 +1265,8 @@ shader_cache_write_program_metadata(struct gl_context *ctx,
    for (unsigned i = 0; i < prog->NumShaders; i++) {
       disk_cache_put_key(cache, prog->Shaders[i]->sha1);
       if (ctx->_Shader->Flags & GLSL_CACHE_INFO) {
-         fprintf(stderr, "marking shader: %s\n",
-                 _mesa_sha1_format(sha1_buf, prog->Shaders[i]->sha1));
+         _mesa_sha1_format(sha1_buf, prog->Shaders[i]->sha1);
+         fprintf(stderr, "marking shader: %s\n", sha1_buf);
       }
    }
 
@@ -1275,8 +1275,8 @@ shader_cache_write_program_metadata(struct gl_context *ctx,
    free(metadata);
 
    if (ctx->_Shader->Flags & GLSL_CACHE_INFO) {
-      fprintf(stderr, "putting program metadata in cache: %s\n",
-              _mesa_sha1_format(sha1_buf, prog->data->sha1));
+      _mesa_sha1_format(sha1_buf, prog->data->sha1);
+      fprintf(stderr, "putting program metadata in cache: %s\n", sha1_buf);
    }
 }
 
@@ -1327,9 +1327,9 @@ shader_cache_read_program_metadata(struct gl_context *ctx,
 
    for (unsigned i = 0; i < prog->NumShaders; i++) {
       struct gl_shader *sh = prog->Shaders[i];
+      _mesa_sha1_format(sha1buf, sh->sha1);
       ralloc_asprintf_append(&buf, "%s: %s\n",
-                             _mesa_shader_stage_to_abbrev(sh->Stage),
-                             _mesa_sha1_format(sha1buf, sh->sha1));
+                             _mesa_shader_stage_to_abbrev(sh->Stage), sha1buf);
    }
    _mesa_sha1_compute(buf, strlen(buf), prog->data->sha1);
    ralloc_free(buf);
@@ -1353,8 +1353,9 @@ shader_cache_read_program_metadata(struct gl_context *ctx,
    }
 
    if (ctx->_Shader->Flags & GLSL_CACHE_INFO) {
+      _mesa_sha1_format(sha1buf, prog->data->sha1);
       fprintf(stderr, "loading shader program meta data from cache: %s\n",
-              _mesa_sha1_format(sha1buf, prog->data->sha1));
+              sha1buf);
    }
 
    struct blob_reader metadata;
diff --git a/src/util/mesa-sha1.c b/src/util/mesa-sha1.c
index eb882e8..a14fec9 100644
--- a/src/util/mesa-sha1.c
+++ b/src/util/mesa-sha1.c
@@ -27,11 +27,10 @@
 #include "sha1/sha1.h"
 #include "mesa-sha1.h"
 
-int
+void
 _mesa_sha1_update(struct mesa_sha1 *ctx, const void *data, int size)
 {
    SHA1Update(ctx, data, size);
-   return 1;
 }
 
 void
@@ -44,7 +43,7 @@ _mesa_sha1_compute(const void *data, size_t size, unsigned char result[20])
    _mesa_sha1_final(&ctx, result);
 }
 
-char *
+void
 _mesa_sha1_format(char *buf, const unsigned char *sha1)
 {
    static const char hex_digits[] = "0123456789abcdef";
@@ -55,6 +54,4 @@ _mesa_sha1_format(char *buf, const unsigned char *sha1)
       buf[i + 1] = hex_digits[sha1[i >> 1] & 0x0f];
    }
    buf[i] = '\0';
-
-   return buf;
 }
diff --git a/src/util/mesa-sha1.h b/src/util/mesa-sha1.h
index f927d57..ecbc708 100644
--- a/src/util/mesa-sha1.h
+++ b/src/util/mesa-sha1.h
@@ -34,7 +34,7 @@ extern "C" {
 
 #define _mesa_sha1_init SHA1Init
 
-int
+void
 _mesa_sha1_update(struct mesa_sha1 *ctx, const void *data, int size);
 
 static inline void
@@ -43,7 +43,7 @@ _mesa_sha1_final(struct mesa_sha1 *ctx, unsigned char result[20])
    SHA1Final(result, ctx);
 }
 
-char *
+void
 _mesa_sha1_format(char *buf, const unsigned char *sha1);
 
 void
-- 
2.7.4