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use a define for PATH_MAX

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add VIPS_PATH_MAX, a long-enough-for-almost-any-path buffer size

we ought to switch to dynamic paths really ... do this when we fix
filename encoding
This commit is contained in:
John Cupitt 2013-12-01 12:18:16 +00:00
parent 53562905d4
commit d7037618fc
10 changed files with 79 additions and 74 deletions
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1
.gitignore vendored
View File

@ -16,6 +16,7 @@ Vips-8.0.typelib
.*.swp
*.lo
*.bak
*.vect
*.la
Vips-8.0.gir
Vips-8.0.typelib

4
libvips/deprecated/dispatch_types.c
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@ -49,10 +49,6 @@
#include <vips/vips.h>
#include <vips/internal.h>
/* Max str we parse.
*/
#define IM_MAX_STR (4096)
/* String containing each of the characters which can be used within a
* single command line argument to separate the elements of a vector.
*/

8
libvips/deprecated/package.c
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@ -705,7 +705,7 @@ int
im_load_plugins( const char *fmt, ... )
{
va_list ap;
char dir_name[4096];
char dir_name[VIPS_PATH_MAX];
GDir *dir;
const char *name;
int result;
@ -716,7 +716,7 @@ im_load_plugins( const char *fmt, ... )
return( 0 );
va_start( ap, fmt );
(void) im_vsnprintf( dir_name, 4096 - 1, fmt, ap );
(void) im_vsnprintf( dir_name, VIPS_PATH_MAX - 1, fmt, ap );
va_end( ap );
#ifdef DEBUG
@ -731,9 +731,9 @@ im_load_plugins( const char *fmt, ... )
result = 0;
while( (name = g_dir_read_name( dir )) )
if( im_ispostfix( name, ".plg" ) ) {
char path[4096];
char path[VIPS_PATH_MAX];
im_snprintf( path, 4096 - 1,
im_snprintf( path, VIPS_PATH_MAX - 1,
"%s" G_DIR_SEPARATOR_S "%s", dir_name, name );
if( !im_load_plugin( path ) )
result = -1;

55
libvips/foreign/dzsave.c
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@ -363,12 +363,12 @@ pyramid_build( VipsForeignSaveDz *dz, Layer *above,
static int
pyramid_mkdir( VipsForeignSaveDz *dz )
{
char buf[4096];
char buf[VIPS_PATH_MAX];
if( dz->layout == VIPS_FOREIGN_DZ_LAYOUT_DZ )
vips_snprintf( buf, 4096, "%s_files", dz->basename );
vips_snprintf( buf, VIPS_PATH_MAX, "%s_files", dz->basename );
else
vips_snprintf( buf, 4096, "%s", dz->basename );
vips_snprintf( buf, VIPS_PATH_MAX, "%s", dz->basename );
if( vips_existsf( "%s", buf ) ) {
vips_error( "dzsave",
@ -385,14 +385,14 @@ static int
write_dzi( VipsForeignSaveDz *dz )
{
FILE *fp;
char buf[4096];
char buf[VIPS_PATH_MAX];
char *p;
vips_snprintf( buf, 4096, "%s.dzi", dz->basename );
vips_snprintf( buf, VIPS_PATH_MAX, "%s.dzi", dz->basename );
if( !(fp = vips__file_open_write( buf, TRUE )) )
return( -1 );
vips_snprintf( buf, 4096, "%s", dz->suffix + 1 );
vips_snprintf( buf, VIPS_PATH_MAX, "%s", dz->suffix + 1 );
if( (p = (char *) vips__find_rightmost_brackets( buf )) )
*p = '\0';
@ -418,9 +418,10 @@ static int
write_properties( VipsForeignSaveDz *dz )
{
FILE *fp;
char buf[4096];
char buf[VIPS_PATH_MAX];
vips_snprintf( buf, 4096, "%s/ImageProperties.xml", dz->basename );
vips_snprintf( buf, VIPS_PATH_MAX,
"%s/ImageProperties.xml", dz->basename );
if( !(fp = vips__file_open_write( buf, TRUE )) )
return( -1 );
@ -440,14 +441,14 @@ write_properties( VipsForeignSaveDz *dz )
static int
write_blank( VipsForeignSaveDz *dz )
{
char buf[4096];
char buf[VIPS_PATH_MAX];
VipsImage *x, *t;
int n;
VipsArea *ones;
double *d;
int i;
vips_snprintf( buf, 4096, "%s/blank.png", dz->basename );
vips_snprintf( buf, VIPS_PATH_MAX, "%s/blank.png", dz->basename );
if( vips_black( &x, dz->tile_size, dz->tile_size, NULL ) )
return( -1 );
@ -710,8 +711,8 @@ tile_name( Layer *layer, char *buf, int x, int y )
VipsForeignSaveDz *dz = layer->dz;
char dirname[4096];
char dirname2[4096];
char dirname[VIPS_PATH_MAX];
char dirname2[VIPS_PATH_MAX];
Layer *p;
int n;
@ -721,10 +722,10 @@ tile_name( Layer *layer, char *buf, int x, int y )
switch( dz->layout ) {
case VIPS_FOREIGN_DZ_LAYOUT_DZ:
vips_snprintf( dirname, 4096, "%s_files/%d",
dz->basename, layer->n );
vips_snprintf( buf, 4096, "%s/%d_%d%s",
dirname, x, y, dz->suffix );
vips_snprintf( dirname, VIPS_PATH_MAX,
"%s_files/%d", dz->basename, layer->n );
vips_snprintf( buf, VIPS_PATH_MAX,
"%s/%d_%d%s", dirname, x, y, dz->suffix );
if( !vips_existsf( "%s", dirname ) &&
vips_mkdirf( "%s", dirname ) ) {
@ -751,10 +752,10 @@ tile_name( Layer *layer, char *buf, int x, int y )
*/
n += y * layer->tiles_across + x;
vips_snprintf( dirname, 4096, "%s/TileGroup%d",
dz->basename, n / 256 );
vips_snprintf( buf, 4096, "%s/%d-%d-%d%s",
dirname, layer->n, x, y, dz->suffix );
vips_snprintf( dirname, VIPS_PATH_MAX,
"%s/TileGroup%d", dz->basename, n / 256 );
vips_snprintf( buf, VIPS_PATH_MAX,
"%s/%d-%d-%d%s", dirname, layer->n, x, y, dz->suffix );
/* Used at the end in ImageProperties.xml
*/
@ -769,12 +770,12 @@ tile_name( Layer *layer, char *buf, int x, int y )
break;
case VIPS_FOREIGN_DZ_LAYOUT_GOOGLE:
vips_snprintf( dirname, 4096, "%s/%d",
dz->basename, layer->n );
vips_snprintf( dirname2, 4096, "%s/%d",
dirname, y );
vips_snprintf( buf, 4096, "%s/%d%s",
dirname2, x, dz->suffix );
vips_snprintf( dirname, VIPS_PATH_MAX,
"%s/%d", dz->basename, layer->n );
vips_snprintf( dirname2, VIPS_PATH_MAX,
"%s/%d", dirname, y );
vips_snprintf( buf, VIPS_PATH_MAX,
"%s/%d%s", dirname2, x, dz->suffix );
if( !vips_existsf( "%s", dirname ) &&
vips_mkdirf( "%s", dirname ) ) {
@ -808,7 +809,7 @@ strip_work( VipsThreadState *state, void *a )
Layer *layer = strip->layer;
VipsForeignSaveDz *dz = layer->dz;
char buf[4096];
char buf[VIPS_PATH_MAX];
VipsImage *x;
VipsImage *t;

5
libvips/include/vips/util.h
View File

@ -157,6 +157,11 @@ G_STMT_START { \
#define VIPS_CLIP_NONE( V, SEQ ) {}
/* Not all platforms have PATH_MAX (eg. Hurd) and we don't need a platform one
* anyway, just a static buffer big enough for almost any path.
*/
#define VIPS_PATH_MAX (4096)
const char *vips_enum_string( GType enm, int value );
const char *vips_enum_nick( GType enm, int value );
int vips_enum_from_nick( const char *domain, GType type, const char *str );

4
libvips/iofuncs/header.c
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@ -1485,14 +1485,14 @@ int
vips_image_history_printf( VipsImage *image, const char *fmt, ... )
{
va_list args;
char line[4096];
char line[VIPS_PATH_MAX];
time_t timebuf;
/* Format command. -40, to leave 26 for the ctime, three for the # and
* a bit.
*/
va_start( args, fmt );
(void) vips_vsnprintf( line, 4096 - 40, fmt, args );
(void) vips_vsnprintf( line, VIPS_PATH_MAX - 40, fmt, args );
va_end( args );
strcat( line, " # " );

35
libvips/iofuncs/init.c
View File

@ -507,8 +507,8 @@ vips_get_option_group( void )
static char *
extract_prefix( const char *dir, const char *name )
{
char edir[4096];
char vname[4096];
char edir[VIPS_PATH_MAX];
char vname[VIPS_PATH_MAX];
int i;
#ifdef DEBUG
@ -522,12 +522,12 @@ extract_prefix( const char *dir, const char *name )
char *cwd;
cwd = g_get_current_dir();
vips_snprintf( edir, 4096, "%s" G_DIR_SEPARATOR_S "%s",
cwd, dir );
vips_snprintf( edir, VIPS_PATH_MAX,
"%s" G_DIR_SEPARATOR_S "%s", cwd, dir );
g_free( cwd );
}
else {
vips_strncpy( edir, dir, 4096 );
vips_strncpy( edir, dir, VIPS_PATH_MAX );
}
/* Chop off the trailing prog name, plus the trailing
@ -535,7 +535,7 @@ extract_prefix( const char *dir, const char *name )
*/
if( !vips_ispostfix( edir, name ) )
return( NULL );
vips_strncpy( vname, edir, 4096 );
vips_strncpy( vname, edir, VIPS_PATH_MAX );
vname[strlen( edir ) - strlen( name ) - 1] = '\0';
/* Remove any "/./", any trailing "/.", any trailing "/".
@ -577,11 +577,11 @@ scan_path( char *path, const char *name )
for( p = path;
(q = vips_break_token( p, G_SEARCHPATH_SEPARATOR_S )); p = q ) {
char str[4096];
char str[VIPS_PATH_MAX];
/* Form complete path.
*/
vips_snprintf( str, 4096,
vips_snprintf( str, VIPS_PATH_MAX,
"%s" G_DIR_SEPARATOR_S "%s", p, name );
#ifdef DEBUG
@ -605,7 +605,7 @@ find_file( const char *name )
{
const char *path = g_getenv( "PATH" );
char *prefix;
char full_path[4096];
char full_path[VIPS_PATH_MAX];
if( !path )
return( NULL );
@ -621,12 +621,12 @@ find_file( const char *name )
/* Windows always searches '.' first, so prepend cwd to path.
*/
dir = g_get_current_dir();
vips_snprintf( full_path, 4096, "%s" G_SEARCHPATH_SEPARATOR_S "%s",
dir, path );
vips_snprintf( full_path, VIPS_PATH_MAX,
"%s" G_SEARCHPATH_SEPARATOR_S "%s", dir, path );
g_free( dir );
}
#else /*!OS_WIN32*/
vips_strncpy( full_path, path, 4096 );
vips_strncpy( full_path, path, VIPS_PATH_MAX );
#endif /*OS_WIN32*/
if( (prefix = scan_path( full_path, name )) )
@ -674,12 +674,12 @@ guess_prefix( const char *argv0, const char *name )
* a full path in argv[0].
*/
if( !g_path_is_absolute( argv0 ) ) {
char full_path[4096];
char full_path[VIPS_PATH_MAX];
char *resolved;
char *dir;
dir = g_get_current_dir();
vips_snprintf( full_path, 4096,
vips_snprintf( full_path, VIPS_PATH_MAX,
"%s" G_DIR_SEPARATOR_S "%s", dir, argv0 );
g_free( dir );
@ -726,7 +726,7 @@ vips_guess_prefix( const char *argv0, const char *env_name )
{
const char *prefix;
const char *p;
char name[4096];
char name[VIPS_PATH_MAX];
/* Already set?
*/
@ -747,10 +747,11 @@ vips_guess_prefix( const char *argv0, const char *env_name )
if( strlen( VIPS_EXEEXT ) > 0 ) {
const char *olds[] = { VIPS_EXEEXT };
vips__change_suffix( p, name, 4096, VIPS_EXEEXT, olds, 1 );
vips__change_suffix( p, name,
VIPS_PATH_MAX, VIPS_EXEEXT, olds, 1 );
}
else
vips_strncpy( name, p, 4096 );
vips_strncpy( name, p, VIPS_PATH_MAX );
#ifdef DEBUG
printf( "vips_guess_prefix: argv0 = %s\n", argv0 );

24
libvips/iofuncs/object.c
View File

@ -1959,34 +1959,36 @@ vips_object_set_args( VipsObject *object, const char *p )
VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( object );
VipsToken token;
char string[4096];
char string2[4096];
char string[VIPS_PATH_MAX];
char string2[VIPS_PATH_MAX];
GParamSpec *pspec;
VipsArgumentClass *argument_class;
VipsArgumentInstance *argument_instance;
if( !(p = vips__token_need( p, VIPS_TOKEN_LEFT, string, 4096 )) )
if( !(p = vips__token_need( p, VIPS_TOKEN_LEFT,
string, VIPS_PATH_MAX )) )
return( -1 );
do {
if( !(p = vips__token_need( p, VIPS_TOKEN_STRING,
string, 4096 )) )
string, VIPS_PATH_MAX )) )
return( -1 );
/* We have to look for a '=', ')' or a ',' to see if string is
* a param name or a value.
*/
if( !(p = vips__token_must( p, &token, string2, 4096 )) )
if( !(p = vips__token_must( p, &token,
string2, VIPS_PATH_MAX )) )
return( -1 );
if( token == VIPS_TOKEN_EQUALS ) {
if( !(p = vips__token_need( p, VIPS_TOKEN_STRING,
string2, 4096 )) )
string2, VIPS_PATH_MAX )) )
return( -1 );
if( vips_object_set_argument_from_string( object,
string, string2 ) )
return( -1 );
if( !(p = vips__token_must( p, &token,
string2, 4096 )) )
string2, VIPS_PATH_MAX )) )
return( -1 );
}
else if( g_object_class_find_property(
@ -2022,7 +2024,7 @@ vips_object_set_args( VipsObject *object, const char *p )
}
} while( token != VIPS_TOKEN_RIGHT );
if( (p = vips__token_get( p, &token, string, 4096 )) ) {
if( (p = vips__token_get( p, &token, string, VIPS_PATH_MAX )) ) {
vips_error( class->nickname,
"%s", _( "extra tokens after ')'" ) );
return( -1 );
@ -2035,7 +2037,7 @@ VipsObject *
vips_object_new_from_string( VipsObjectClass *object_class, const char *p )
{
const char *q;
char str[4096];
char str[VIPS_PATH_MAX];
VipsObject *object;
g_assert( object_class );
@ -2045,9 +2047,9 @@ vips_object_new_from_string( VipsObjectClass *object_class, const char *p )
* everything before that as the principal arg for the constructor.
*/
if( (q = vips__find_rightmost_brackets( p )) )
vips_strncpy( str, p, VIPS_MIN( 4096, q - p + 1 ) );
vips_strncpy( str, p, VIPS_MIN( VIPS_PATH_MAX, q - p + 1 ) );
else
vips_strncpy( str, p, 4096 );
vips_strncpy( str, p, VIPS_PATH_MAX );
if( !(object = object_class->new_from_string( str )) )
return( NULL );

8
libvips/iofuncs/system.c
View File

@ -63,8 +63,6 @@
#include <vips/vips.h>
#define MAX_STRSIZE (4096)
typedef struct _VipsSystem {
VipsOperation parent_instance;
@ -111,8 +109,8 @@ vips_system_build( VipsObject *object )
VipsSystem *system = (VipsSystem *) object;
FILE *fp;
char line[MAX_STRSIZE];
char txt[MAX_STRSIZE];
char line[VIPS_PATH_MAX];
char txt[VIPS_PATH_MAX];
VipsBuf buf = VIPS_BUF_STATIC( txt );
int result;
@ -151,7 +149,7 @@ vips_system_build( VipsObject *object )
return( -1 );
}
while( fgets( line, MAX_STRSIZE, fp ) )
while( fgets( line, VIPS_PATH_MAX, fp ) )
if( !vips_buf_appends( &buf, line ) )
break;

9
libvips/iofuncs/util.c
View File

@ -1166,11 +1166,11 @@ FILE *
vips_popenf( const char *fmt, const char *mode, ... )
{
va_list args;
char buf[4096];
char buf[VIPS_PATH_MAX];
FILE *fp;
va_start( args, mode );
(void) vips_vsnprintf( buf, 4096, fmt, args );
(void) vips_vsnprintf( buf, VIPS_PATH_MAX, fmt, args );
va_end( args );
#ifdef DEBUG
@ -1387,14 +1387,15 @@ vips__find_rightmost_brackets( const char *p )
{
const char *start[MAX_TOKENS];
VipsToken tokens[MAX_TOKENS];
char str[4096];
char str[VIPS_PATH_MAX];
int n, i;
int nest;
start[0] = p;
for( n = 0;
n < MAX_TOKENS &&
(p = vips__token_get( start[n], &tokens[n], str, 4096 ));
(p = vips__token_get( start[n], &tokens[n],
str, VIPS_PATH_MAX ));
n++, start[n] = p )
;