Signed-off-by: Eric Pouech eric.pouech@gmail.com
--- dlls/dbghelp/dwarf.c | 7 ++++--- dlls/dbghelp/source.c | 2 +- 2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/dlls/dbghelp/dwarf.c b/dlls/dbghelp/dwarf.c index 2f8a18cae8d..0479f7c7401 100644 --- a/dlls/dbghelp/dwarf.c +++ b/dlls/dbghelp/dwarf.c @@ -2190,6 +2190,7 @@ static BOOL dwarf2_parse_line_numbers(const dwarf2_section_t* sections, p = vector_add(&dirs, &ctx->pool); *p = compile_dir ? compile_dir : "."; while (*traverse.data) + while (traverse.data < traverse.end_data && *traverse.data) { const char* rel = (const char*)traverse.data; unsigned rellen = strlen(rel); @@ -2205,7 +2206,7 @@ static BOOL dwarf2_parse_line_numbers(const dwarf2_section_t* sections, unsigned baselen = strlen(compile_dir); char* tmp = pool_alloc(&ctx->pool, baselen + 1 + rellen + 1); strcpy(tmp, compile_dir); - if (tmp[baselen - 1] != '/') tmp[baselen++] = '/'; + if (baselen && tmp[baselen - 1] != '/') tmp[baselen++] = '/'; strcpy(&tmp[baselen], rel); *p = tmp; } @@ -2214,7 +2215,7 @@ static BOOL dwarf2_parse_line_numbers(const dwarf2_section_t* sections, traverse.data++;
vector_init(&files, sizeof(unsigned), 16); - while (*traverse.data) + while (traverse.data < traverse.end_data && *traverse.data) { unsigned int dir_index, mod_time; const char* name; @@ -2233,7 +2234,7 @@ static BOOL dwarf2_parse_line_numbers(const dwarf2_section_t* sections, } traverse.data++;
- while (traverse.data < traverse.end_data) + while (traverse.data < traverse.end_data && *traverse.data) { ULONG_PTR address = 0; unsigned file = 1; diff --git a/dlls/dbghelp/source.c b/dlls/dbghelp/source.c index 1844eec7838..a78e62a8661 100644 --- a/dlls/dbghelp/source.c +++ b/dlls/dbghelp/source.c @@ -78,7 +78,7 @@ unsigned source_new(struct module* module, const char* base, const char* name) if (!tmp) return ret; full = tmp; strcpy(tmp, base); - if (tmp[bsz - 1] != '/') tmp[bsz++] = '/'; + if (bsz && tmp[bsz - 1] != '/') tmp[bsz++] = '/'; strcpy(&tmp[bsz], name); } rb_module = module;