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eolian: regroup buffer allocation and read checks

This commit is contained in:
Jérémy Zurcher 2014-03-11 14:00:20 +01:00
parent 1e2f00e654
commit c69b28dac0
2 changed files with 39 additions and 33 deletions
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45
src/lib/eolian/eo_lexer.c
View File

@ -2745,20 +2745,8 @@ eo_tokenizer_mem_walk(Eo_Tokenizer *toknz, const char *source, char *buffer, uns
Eina_Bool ret = EINA_TRUE;
if (!len)
{
ERR("%s: given size is 0", source);
return EINA_FALSE;
}
if (len > BUFSIZE)
{
ERR("%s: buffer not enough big. Required size: %d", source, len);
return EINA_FALSE;
}
#line 2762 "lib/eolian/eo_lexer.c"
#line 2750 "lib/eolian/eo_lexer.c"
{
toknz->cs = eo_tokenizer_start;
toknz->ts = 0;
@ -2766,7 +2754,7 @@ eo_tokenizer_mem_walk(Eo_Tokenizer *toknz, const char *source, char *buffer, uns
toknz->act = 0;
}
#line 1073 "lib/eolian/eo_lexer.rl"
#line 1061 "lib/eolian/eo_lexer.rl"
toknz->p = buffer;
@ -2775,7 +2763,7 @@ eo_tokenizer_mem_walk(Eo_Tokenizer *toknz, const char *source, char *buffer, uns
toknz->eof = toknz->pe;
#line 2779 "lib/eolian/eo_lexer.c"
#line 2767 "lib/eolian/eo_lexer.c"
{
int _klen;
unsigned int _trans;
@ -2794,7 +2782,7 @@ _resume:
#line 1 "NONE"
{ toknz->ts = ( toknz->p);}
break;
#line 2798 "lib/eolian/eo_lexer.c"
#line 2786 "lib/eolian/eo_lexer.c"
}
}
@ -4126,7 +4114,7 @@ _eof_trans:
{( toknz->p)++; goto _out; } /* necessary to stop scanners */
}}
break;
#line 4130 "lib/eolian/eo_lexer.c"
#line 4118 "lib/eolian/eo_lexer.c"
}
}
@ -4139,7 +4127,7 @@ _again:
#line 1 "NONE"
{ toknz->ts = 0;}
break;
#line 4143 "lib/eolian/eo_lexer.c"
#line 4131 "lib/eolian/eo_lexer.c"
}
}
@ -4157,12 +4145,12 @@ _again:
_out: {}
}
#line 1081 "lib/eolian/eo_lexer.rl"
#line 1069 "lib/eolian/eo_lexer.rl"
if ( toknz->cs ==
#line 4164 "lib/eolian/eo_lexer.c"
#line 4152 "lib/eolian/eo_lexer.c"
-1
#line 1082 "lib/eolian/eo_lexer.rl"
#line 1070 "lib/eolian/eo_lexer.rl"
)
{
ERR("%s: wrong termination", source);
@ -4325,8 +4313,23 @@ eo_tokenizer_database_fill(const char *filename)
}
buffer = malloc(BUFSIZE);
if (!buffer)
{
ERR("unable to allocate read buffer");
goto end;
}
unsigned int len = fread(buffer, 1, BUFSIZE, stream);
if (!len)
{
ERR("%s: is an empty file", filename);
goto end;
}
if (len == BUFSIZE)
WRN("%s: buffer(%d) is full, might not be big enough.", filename, len);
if (!eo_tokenizer_mem_walk(toknz, filename, buffer, len)) goto end;
if (!toknz->classes)

27
src/lib/eolian/eo_lexer.rl
View File

@ -1057,18 +1057,6 @@ eo_tokenizer_mem_walk(Eo_Tokenizer *toknz, const char *source, char *buffer, uns
Eina_Bool ret = EINA_TRUE;
if (!len)
{
ERR("%s: given size is 0", source);
return EINA_FALSE;
}
if (len > BUFSIZE)
{
ERR("%s: buffer not enough big. Required size: %d", source, len);
return EINA_FALSE;
}
%% write init;
toknz->p = buffer;
@ -1241,8 +1229,23 @@ eo_tokenizer_database_fill(const char *filename)
}
buffer = malloc(BUFSIZE);
if (!buffer)
{
ERR("unable to allocate read buffer");
goto end;
}
unsigned int len = fread(buffer, 1, BUFSIZE, stream);
if (!len)
{
ERR("%s: is an empty file", filename);
goto end;
}
if (len == BUFSIZE)
WRN("%s: buffer(%d) is full, might not be big enough.", filename, len);
if (!eo_tokenizer_mem_walk(toknz, filename, buffer, len)) goto end;
if (!toknz->classes)