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gluon-web: replace custom strfind() function with memmem()

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This commit is contained in:
Matthias Schiffer 2018-02-22 13:37:57 +01:00
parent 0ff4761a57
commit b5817f5523
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GPG Key ID: 16EF3F64CB201D9C
2 changed files with 5 additions and 34 deletions
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2
package/gluon-web/src/Makefile
View File

@ -1,7 +1,7 @@
all: compile
%.o: %.c
$(CC) $(CPPFLAGS) $(CFLAGS) -fPIC -c -o $@ $<
$(CC) $(CPPFLAGS) $(CFLAGS) -D_GNU_SOURCE -fPIC -c -o $@ $<
clean:
rm -f parser.so *.o

37
package/gluon-web/src/template_parser.c
View File

@ -34,35 +34,6 @@ static const char *const gen_code[9][2] = {
{}
};
/* Simple strstr() like function that takes len arguments for both haystack and needle. */
static char *strfind(char *haystack, int hslen, const char *needle, int ndlen)
{
int match = 0;
int i, j;
for( i = 0; i < hslen; i++ )
{
if( haystack[i] == needle[0] )
{
match = ((ndlen == 1) || ((i + ndlen) <= hslen));
for( j = 1; (j < ndlen) && ((i + j) < hslen); j++ )
{
if( haystack[i+j] != needle[j] )
{
match = 0;
break;
}
}
if( match )
return &haystack[i];
}
}
return NULL;
}
struct template_parser * template_open(const char *file)
{
struct stat s;
@ -339,7 +310,7 @@ const char *template_reader(lua_State *L, void *ud, size_t *sz)
/* before tag */
if (!parser->in_expr)
{
if ((tag = strfind(parser->off, rem, "<%", 2)) != NULL)
if ((tag = memmem(parser->off, rem, "<%", 2)) != NULL)
{
template_text(parser, tag);
parser->off = tag + 2;
@ -355,7 +326,7 @@ const char *template_reader(lua_State *L, void *ud, size_t *sz)
/* inside tag */
else
{
if ((tag = strfind(parser->off, rem, "%>", 2)) != NULL)
if ((tag = memmem(parser->off, rem, "%>", 2)) != NULL)
{
template_code(parser, tag);
parser->off = tag + 2;
@ -383,7 +354,7 @@ int template_error(lua_State *L, struct template_parser *parser)
int line = 0;
int chunkline = 0;
if ((ptr = strfind((char *)err, strlen(err), "]:", 2)) != NULL)
if ((ptr = memmem(err, strlen(err), "]:", 2)) != NULL)
{
chunkline = atoi(ptr + 2) - parser->prv_chunk.line;
@ -397,7 +368,7 @@ int template_error(lua_State *L, struct template_parser *parser)
}
}
if (strfind((char *)err, strlen(err), "'char(27)'", 10) != NULL)
if (memmem(err, strlen(err), "'char(27)'", 10) != NULL)
{
off = parser->data + parser->size;
err = "'%>' expected before end of file";