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spa: deal with non-null terminated strings in spa_error_location

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Add len field to indicate number of valid characters after location.
This commit is contained in:
Pauli Virtanen 2024-03-27 18:30:13 +02:00
parent a0af514581
commit 3e99a0e839
3 changed files with 3 additions and 1 deletions
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2
spa/include/spa/debug/context.h
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@ -38,7 +38,7 @@ static inline void spa_debugc_error_location(struct spa_debug_context *c,
int i, skip = loc->col > 80 ? loc->col - 40 : 0, lc = loc->col-skip-1;
char buf[80];
for (i = 0; (size_t)i < sizeof(buf)-1; i++) {
for (i = 0; (size_t)i < sizeof(buf)-1 && (size_t)(i + skip) < loc->len; i++) {
char ch = loc->location[i + skip];
if (ch == '\n' || ch == '\0')
break;

1
spa/include/spa/utils/defs.h
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@ -330,6 +330,7 @@ static inline bool spa_ptr_inside_and_aligned(const void *p1, size_t s1,
struct spa_error_location {
int line;
int col;
size_t len;
const char *location;
const char *reason;
};

1
spa/include/spa/utils/json.h
View file

@ -350,6 +350,7 @@ static inline bool spa_json_get_error(struct spa_json *iter, const char *start,
loc->line = linepos;
loc->col = colpos;
loc->location = l;
loc->len = SPA_PTRDIFF(iter->end, loc->location) / sizeof(char);
loc->reason = code == 0 ? strerror(errno) : reasons[code];
}
return true;