[Mesa-dev] [PATCH 2/2] mesa: use strdup() instead of _mesa_strdup()

Ian Romanick idr at freedesktop.org
Tue Mar 10 19:47:36 PDT 2015


On 03/10/2015 07:47 PM, Ian Romanick wrote:
> On 03/10/2015 06:42 PM, Brian Paul wrote:
>> We were already using strdup() in various places in Mesa.  Get rid
>> of the _mesa_strdup() wrapper.  All the callers pass a non-NULL
>> argument so the NULL check isn't needed either.
>> ---
>>  src/mesa/main/imports.c             | 18 ------------------
>>  src/mesa/main/imports.h             |  3 ---
>>  src/mesa/main/objectlabel.c         |  2 +-
>>  src/mesa/main/shaderapi.c           |  2 +-
>>  src/mesa/main/transformfeedback.c   |  2 +-
>>  src/mesa/program/prog_instruction.c |  2 +-
>>  src/mesa/program/prog_parameter.c   |  2 +-
>>  src/mesa/program/prog_statevars.c   |  2 +-
>>  src/mesa/program/program.c          |  6 +++---
> 
> A quick 'grep -lr _mesa_strdup src/ | sort' shows the following files:
> 
> src/gallium/state_trackers/glx/xlib/glx_api.c
> src/mesa/drivers/x11/fakeglx.c
> src/mesa/main/imports.c
> src/mesa/main/imports.h
> src/mesa/main/objectlabel.c
> src/mesa/main/shaderapi.c
> src/mesa/main/transformfeedback.c
> src/mesa/program/prog_instruction.c
> src/mesa/program/prog_parameter.c
> src/mesa/program/program.c
> src/mesa/program/prog_statevars.c
> 
> It looks like you missed a couple:
> 
> src/gallium/state_trackers/glx/xlib/glx_api.c
> src/mesa/drivers/x11/fakeglx.c

But I guess patch 1 got the first one.

>>  9 files changed, 9 insertions(+), 30 deletions(-)
>>
>> diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c
>> index a7ffe22..ac8deeb 100644
>> --- a/src/mesa/main/imports.c
>> +++ b/src/mesa/main/imports.c
>> @@ -481,24 +481,6 @@ _mesa_half_to_float(GLhalfARB val)
>>  /** \name String */
>>  /*@{*/
>>  
>> -/**
>> - * Implemented using malloc() and strcpy.
>> - * Note that NULL is handled accordingly.
>> - */
>> -char *
>> -_mesa_strdup( const char *s )
>> -{
>> -   if (s) {
>> -      size_t l = strlen(s);
>> -      char *s2 = malloc(l + 1);
>> -      if (s2)
>> -         strcpy(s2, s);
>> -      return s2;
>> -   }
>> -   else {
>> -      return NULL;
>> -   }
>> -}
>>  
>>  /** Compute simple checksum/hash for a string */
>>  unsigned int
>> diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
>> index 7921000..ee6b399 100644
>> --- a/src/mesa/main/imports.h
>> +++ b/src/mesa/main/imports.h
>> @@ -448,9 +448,6 @@ _mesa_half_is_negative(GLhalfARB h)
>>     return h & 0x8000;
>>  }
>>  
>> -extern char *
>> -_mesa_strdup( const char *s );
>> -
>>  extern unsigned int
>>  _mesa_str_checksum(const char *str);
>>  
>> diff --git a/src/mesa/main/objectlabel.c b/src/mesa/main/objectlabel.c
>> index 78df96b..aecb5b1 100644
>> --- a/src/mesa/main/objectlabel.c
>> +++ b/src/mesa/main/objectlabel.c
>> @@ -76,7 +76,7 @@ set_label(struct gl_context *ctx, char **labelPtr, const char *label,
>>                  MAX_LABEL_LENGTH);
>>  
>>           /* null-terminated string */
>> -         *labelPtr = _mesa_strdup(label);
>> +         *labelPtr = strdup(label);
>>        }
>>     }
>>  }
>> diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
>> index 5731d58..3ea76af 100644
>> --- a/src/mesa/main/shaderapi.c
>> +++ b/src/mesa/main/shaderapi.c
>> @@ -1460,7 +1460,7 @@ read_shader(const char *fname)
>>  
>>     fclose(f);
>>  
>> -   shader = _mesa_strdup(buffer);
>> +   shader = strdup(buffer);
>>     free(buffer);
>>  
>>     return shader;
>> diff --git a/src/mesa/main/transformfeedback.c b/src/mesa/main/transformfeedback.c
>> index a3e23ce..ce678c8 100644
>> --- a/src/mesa/main/transformfeedback.c
>> +++ b/src/mesa/main/transformfeedback.c
>> @@ -762,7 +762,7 @@ _mesa_TransformFeedbackVaryings(GLuint program, GLsizei count,
>>  
>>     /* Save the new names and the count */
>>     for (i = 0; i < count; i++) {
>> -      shProg->TransformFeedback.VaryingNames[i] = _mesa_strdup(varyings[i]);
>> +      shProg->TransformFeedback.VaryingNames[i] = strdup(varyings[i]);
>>     }
>>     shProg->TransformFeedback.NumVarying = count;
>>  
>> diff --git a/src/mesa/program/prog_instruction.c b/src/mesa/program/prog_instruction.c
>> index 6a9bcb7..f9ebe4e 100644
>> --- a/src/mesa/program/prog_instruction.c
>> +++ b/src/mesa/program/prog_instruction.c
>> @@ -89,7 +89,7 @@ _mesa_copy_instructions(struct prog_instruction *dest,
>>     memcpy(dest, src, n * sizeof(struct prog_instruction));
>>     for (i = 0; i < n; i++) {
>>        if (src[i].Comment)
>> -         dest[i].Comment = _mesa_strdup(src[i].Comment);
>> +         dest[i].Comment = strdup(src[i].Comment);
>>     }
>>     return dest;
>>  }
>> diff --git a/src/mesa/program/prog_parameter.c b/src/mesa/program/prog_parameter.c
>> index 5939f6f..cdfe251 100644
>> --- a/src/mesa/program/prog_parameter.c
>> +++ b/src/mesa/program/prog_parameter.c
>> @@ -148,7 +148,7 @@ _mesa_add_parameter(struct gl_program_parameter_list *paramList,
>>  
>>        for (i = 0; i < sz4; i++) {
>>           struct gl_program_parameter *p = paramList->Parameters + oldNum + i;
>> -         p->Name = name ? _mesa_strdup(name) : NULL;
>> +         p->Name = name ? strdup(name) : NULL;
>>           p->Type = type;
>>           p->Size = size;
>>           p->DataType = datatype;
>> diff --git a/src/mesa/program/prog_statevars.c b/src/mesa/program/prog_statevars.c
>> index 57b25a7..0c0c87f 100644
>> --- a/src/mesa/program/prog_statevars.c
>> +++ b/src/mesa/program/prog_statevars.c
>> @@ -1045,7 +1045,7 @@ _mesa_program_state_string(const gl_state_index state[STATE_LENGTH])
>>        break;
>>     }
>>  
>> -   return _mesa_strdup(str);
>> +   return strdup(str);
>>  }
>>  
>>  
>> diff --git a/src/mesa/program/program.c b/src/mesa/program/program.c
>> index 61a9e97..3c214d5 100644
>> --- a/src/mesa/program/program.c
>> +++ b/src/mesa/program/program.c
>> @@ -79,7 +79,7 @@ _mesa_init_program(struct gl_context *ctx)
>>     STATIC_ASSERT(NUM_TEXTURE_TARGETS <= (1 << 4));
>>  
>>     ctx->Program.ErrorPos = -1;
>> -   ctx->Program.ErrorString = _mesa_strdup("");
>> +   ctx->Program.ErrorString = strdup("");
>>  
>>     ctx->VertexProgram.Enabled = GL_FALSE;
>>     ctx->VertexProgram.PointSizeEnabled =
>> @@ -176,7 +176,7 @@ _mesa_set_program_error(struct gl_context *ctx, GLint pos, const char *string)
>>     free((void *) ctx->Program.ErrorString);
>>     if (!string)
>>        string = "";
>> -   ctx->Program.ErrorString = _mesa_strdup(string);
>> +   ctx->Program.ErrorString = strdup(string);
>>  }
>>  
>>  
>> @@ -483,7 +483,7 @@ _mesa_clone_program(struct gl_context *ctx, const struct gl_program *prog)
>>     assert(clone->Target == prog->Target);
>>     assert(clone->RefCount == 1);
>>  
>> -   clone->String = (GLubyte *) _mesa_strdup((char *) prog->String);
>> +   clone->String = (GLubyte *) strdup((char *) prog->String);
>>     clone->Format = prog->Format;
>>     clone->Instructions = _mesa_alloc_instructions(prog->NumInstructions);
>>     if (!clone->Instructions) {
>>
> 



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