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better vips7 option parsing

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valgrind could complain about the previous one
This commit is contained in:
John Cupitt 2012-07-16 13:26:35 +01:00
parent 97424321ac
commit 91628efdda
1 changed files with 16 additions and 4 deletions
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20
libvips/iofuncs/util.c
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@ -565,16 +565,28 @@ vips_filename_suffix_match( const char *path, const char *suffixes[] )
char *
vips_getnextoption( char **in )
{
char *p = *in;
char *q = p;
char *p;
char *q;
p = *in;
q = p;
if( !p || !*p )
return( NULL );
/* Find the next ',' not prefixed with a '\'.
/* Find the next ',' not prefixed with a '\'. If the first character
* of p is ',', there can't be a previous escape character.
*/
while( (p = strchr( p, ',' )) && p[-1] == '\\' )
for(;;) {
if( !(p = strchr( p, ',' )) )
break;
if( p == q )
break;
if( p[-1] != '\\' )
break;
p += 1;
}
if( p ) {
/* Another option follows this one .. set up to pick that out