diff options
Diffstat (limited to 'camel/camel-mime-filter.c')
| -rw-r--r-- | camel/camel-mime-filter.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/camel/camel-mime-filter.c b/camel/camel-mime-filter.c index 678d450af2..9a81dfb452 100644 --- a/camel/camel-mime-filter.c +++ b/camel/camel-mime-filter.c @@ -20,6 +20,13 @@ #include "camel-mime-filter.h" +/*#define MALLOC_CHECK */ /* for some malloc checking, requires mcheck enabled */ + +/* only suitable for glibc */ +#ifdef MALLOC_CHECK +#include <mcheck.h> +#endif + struct _CamelMimeFilterPrivate { char *inbuf; size_t inlen; @@ -108,6 +115,28 @@ camel_mime_filter_new (void) return new; } +#ifdef MALLOC_CHECK +static void +checkmem(void *p) +{ + if (p) { + int status = mprobe(p); + + switch (status) { + case MCHECK_HEAD: + printf("Memory underrun at %p\n", p); + abort(); + case MCHECK_TAIL: + printf("Memory overrun at %p\n", p); + abort(); + case MCHECK_FREE: + printf("Double free %p\n", p); + abort(); + } + } +} +#endif + static void filter_run(CamelMimeFilter *f, char *in, size_t len, size_t prespace, char **out, size_t *outlen, size_t *outprespace, @@ -117,6 +146,10 @@ static void filter_run(CamelMimeFilter *f, { struct _CamelMimeFilterPrivate *p; +#ifdef MALLOC_CHECK + checkmem(f->outreal); + checkmem(f->backbuf); +#endif /* here we take a performance hit, if the input buffer doesn't have the pre-space required. We make a buffer that does ... @@ -136,6 +169,11 @@ static void filter_run(CamelMimeFilter *f, prespace = p->inlen - len; } +#ifdef MALLOC_CHECK + checkmem(f->outreal); + checkmem(f->backbuf); +#endif + /* preload any backed up data */ if (f->backlen > 0) { memcpy(in-f->backlen, f->backbuf, f->backlen); @@ -146,6 +184,12 @@ static void filter_run(CamelMimeFilter *f, } filterfunc(f, in, len, prespace, out, outlen, outprespace); + +#ifdef MALLOC_CHECK + checkmem(f->outreal); + checkmem(f->backbuf); +#endif + } void camel_mime_filter_filter(CamelMimeFilter *f, |