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wpp: Free some filename strings after processing an include (Valgrind).

This commit is contained in:
Matteo Bruni 2014-06-26 19:52:31 +02:00 committed by Alexandre Julliard
parent 18a416f7d5
commit 1b79df4e80
3 changed files with 18 additions and 8 deletions
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16
libs/wpp/ppl.l
View File

@ -213,7 +213,7 @@ typedef struct bufferstackentry {
pp_entry_t *define; /* Points to expanding define or NULL if handling includes */
int line_number; /* Line that we were handling */
int char_number; /* The current position on that line */
const char *filename; /* Filename that we were handling */
char *filename; /* Filename that we were handling */
int if_depth; /* How many #if:s deep to check matching #endif:s */
int ncontinuations; /* Remember the continuation state */
int should_pop; /* Set if we must pop the start-state on EOF */
@ -1340,6 +1340,8 @@ static bufferstackentry_t *pop_buffer(void)
bufferstack[bufferstackidx].define->expanding = 0;
else
{
includelogicentry_t *iep = NULL;
if(!bufferstack[bufferstackidx].should_pop)
{
wpp_callbacks->close(pp_status.file);
@ -1351,7 +1353,7 @@ static bufferstackentry_t *pop_buffer(void)
pp_entry_t *ppp = pplookup(pp_incl_state.ppp);
if(ppp)
{
includelogicentry_t *iep = pp_xmalloc(sizeof(includelogicentry_t));
iep = pp_xmalloc(sizeof(includelogicentry_t));
if(!iep)
return NULL;
@ -1366,17 +1368,21 @@ static bufferstackentry_t *pop_buffer(void)
if(pp_status.debug)
fprintf(stderr, "pop_buffer: %s:%d: includelogic added, include_ppp='%s', file='%s'\n", bufferstack[bufferstackidx].filename, bufferstack[bufferstackidx].line_number, pp_incl_state.ppp, iep->filename);
}
else
free(bufferstack[bufferstackidx].include_filename);
}
free(pp_incl_state.ppp);
pp_incl_state = bufferstack[bufferstackidx].incl;
}
if (bufferstack[bufferstackidx].include_filename)
{
free(pp_status.input);
pp_status.input = bufferstack[bufferstackidx].filename;
}
pp_status.line_number = bufferstack[bufferstackidx].line_number;
pp_status.char_number = bufferstack[bufferstackidx].char_number;
pp_status.input = bufferstack[bufferstackidx].filename;
ncontinuations = bufferstack[bufferstackidx].ncontinuations;
if (!iep)
free(bufferstack[bufferstackidx].include_filename);
}
if(ppy_debug)

8
libs/wpp/wpp.c
View File

@ -206,7 +206,7 @@ int wpp_parse( const char *input, FILE *output )
return 2;
}
pp_status.input = input;
pp_status.input = input ? pp_xstrdup(input) : NULL;
ppy_out = output;
pp_writestring("# 1 \"%s\" 1\n", input ? input : "");
@ -215,7 +215,11 @@ int wpp_parse( const char *input, FILE *output )
/* If there were errors during processing, return an error code */
if (!ret && pp_status.state) ret = pp_status.state;
if (input) wpp_callbacks->close(pp_status.file);
if (input)
{
wpp_callbacks->close(pp_status.file);
free(pp_status.input);
}
/* Clean if_stack, it could remain dirty on errors */
while (pp_get_if_depth()) pp_pop_if();
del_special_defines();

2
libs/wpp/wpp_private.h
View File

@ -228,7 +228,7 @@ void pp_internal_error(const char *file, int line, const char *s, ...) __attribu
/* everything is in this structure to avoid polluting the global symbol space */
struct pp_status
{
const char *input; /* current input file name */
char *input; /* current input file name */
void *file; /* current input file descriptor */
int line_number; /* current line number */
int char_number; /* current char number in line */