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r2744: ben elliston taught me about gcov today, which allows you to measure

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the % coverage in terms of lines of code of a test suite. I thought a
good first place to start with gcov was the talloc test suite. When I
started the test suite covered about 60% of all lines of code in
talloc.c, and now it covers about 99%. The only lines not covered are
talloc corruption errors, as that would cause smb_panic() to fire.

It will be interesting to try gcov on the main Samba test suite for
smbd. We won't achieve 100% coverage, but it would be nice to get to
90% or more.

I also modified the talloc.c sources to be able to be build standalone, using:

  gcc -c -D_STANDALONE_ -Iinlcude lib/talloc.c

that should make it much easier to re-use talloc in other projects
This commit is contained in:
Andrew Tridgell
2004-09-29 06:31:14 +00:00
committed by Gerald (Jerry) Carter
parent 43079cfc80
commit 8d4dc99b82
5 changed files with 465 additions and 80 deletions
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39
source/include/talloc.h
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@@ -49,5 +49,44 @@ typedef void TALLOC_CTX;
#define data_blob(ptr, size) data_blob_named(ptr, size, __location__)
#define data_blob_talloc(ctx, ptr, size) data_blob_talloc_named(ctx, ptr, size, __location__)
#ifndef PRINTF_ATTRIBUTE
#define PRINTF_ATTRIBUTE(a1, a2)
#endif
/* The following definitions come from lib/talloc.c */
void *_talloc(const void *context, size_t size);
void talloc_set_destructor(const void *ptr, int (*destructor)(void *));
void talloc_increase_ref_count(const void *ptr);
void *talloc_reference(const void *context, const void *ptr);
void *talloc_unreference(const void *context, const void *ptr);
void talloc_set_name(const void *ptr, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
void talloc_set_name_const(const void *ptr, const char *name);
void *talloc_named(const void *context, size_t size,
const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
void *talloc_named_const(const void *context, size_t size, const char *name);
const char *talloc_get_name(const void *ptr);
void *talloc_init(const char *fmt, ...) PRINTF_ATTRIBUTE(1,2);
int talloc_free(void *ptr);
void *_talloc_realloc(const void *context, void *ptr, size_t size, const char *name);
void *talloc_steal(const void *new_ctx, const void *ptr);
off_t talloc_total_size(const void *ptr);
off_t talloc_total_blocks(const void *ptr);
void talloc_report_full(const void *ptr, FILE *f);
void talloc_report(const void *ptr, FILE *f);
void talloc_enable_leak_report(void);
void talloc_enable_leak_report_full(void);
void *talloc_zero(const void *ctx, size_t size);
void *_talloc_memdup(const void *t, const void *p, size_t size, const char *name);
char *talloc_strdup(const void *t, const char *p);
char *talloc_strndup(const void *t, const char *p, size_t n);
char *talloc_vasprintf(const void *t, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(2,0);
char *talloc_asprintf(const void *t, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
char *talloc_asprintf_append(char *s,
const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
void *talloc_array(const void *ctx, size_t el_size, unsigned count, const char *name);
void *talloc_realloc_array(const void *ctx, void *ptr, size_t el_size, unsigned count, const char *name);
void *talloc_ldb_alloc(void *context, void *ptr, size_t size);
#endif