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general: cmake: add ZINT_SANITIZEM (clang -fsanitize=memory) option

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and suppress errors in lib and backend tests (pretty sure they're
  nearly all false positives apart from maybe 2 non-initializations
  in "gif.c" (`pOut` buffer) and "raster.c" (`rotated_pixbuf`)
github: install de_DE.UTF-8 locale in ubuntu-debug also
This commit is contained in:
gitlost 2025-02-19 01:15:58 +00:00
parent 33135fc146
commit c7cf006e71
38 changed files with 177 additions and 129 deletions
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18
backend/vector.c
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@ -48,6 +48,9 @@ static int vector_add_rect(struct zint_symbol *symbol, const float x, const floa
errtxt(0, symbol, 691, "Insufficient memory for vector rectangle");
return 0;
}
#ifdef ZINT_SANITIZEM /* Suppress clang -fsanitize=memory false positive */
memset(rect, 0, sizeof(struct zint_vector_rect));
#endif
rect->next = NULL;
rect->x = x;
@ -73,6 +76,9 @@ static int vector_add_hexagon(struct zint_symbol *symbol, const float x, const f
if (!(hexagon = (struct zint_vector_hexagon *) malloc(sizeof(struct zint_vector_hexagon)))) {
return errtxt(0, symbol, 692, "Insufficient memory for vector hexagon");
}
#ifdef ZINT_SANITIZEM /* Suppress clang -fsanitize=memory false positive */
memset(hexagon, 0, sizeof(struct zint_vector_hexagon));
#endif
hexagon->next = NULL;
hexagon->x = x;
hexagon->y = y;
@ -96,6 +102,9 @@ static int vector_add_circle(struct zint_symbol *symbol, const float x, const fl
if (!(circle = (struct zint_vector_circle *) malloc(sizeof(struct zint_vector_circle)))) {
return errtxt(0, symbol, 693, "Insufficient memory for vector circle");
}
#ifdef ZINT_SANITIZEM /* Suppress clang -fsanitize=memory false positive */
memset(circle, 0, sizeof(struct zint_vector_circle));
#endif
circle->next = NULL;
circle->x = x;
circle->y = y;
@ -121,6 +130,9 @@ static int vector_add_string(struct zint_symbol *symbol, const unsigned char *te
if (!(string = (struct zint_vector_string *) malloc(sizeof(struct zint_vector_string)))) {
return errtxt(0, symbol, 694, "Insufficient memory for vector string");
}
#ifdef ZINT_SANITIZEM /* Suppress clang -fsanitize=memory false positive */
memset(string, 0, sizeof(struct zint_vector_string));
#endif
string->next = NULL;
string->x = x;
string->y = y;
@ -133,6 +145,9 @@ static int vector_add_string(struct zint_symbol *symbol, const unsigned char *te
free(string);
return errtxt(0, symbol, 695, "Insufficient memory for vector string text");
}
#ifdef ZINT_SANITIZEM /* Suppress clang -fsanitize=memory false positive */
memset(string->text, 0, string->length + 1);
#endif
memcpy(string->text, text, string->length);
string->text[string->length] = '\0';
@ -444,6 +459,9 @@ INTERNAL int plot_vector(struct zint_symbol *symbol, int rotate_angle, int file_
if (!(vector = symbol->vector = (struct zint_vector *) malloc(sizeof(struct zint_vector)))) {
return errtxt(ZINT_ERROR_MEMORY, symbol, 696, "Insufficient memory for vector header");
}
#ifdef ZINT_SANITIZEM /* Suppress clang -fsanitize=memory false positive */
memset(vector, 0, sizeof(struct zint_vector));
#endif
vector->rectangles = NULL;
vector->hexagons = NULL;
vector->circles = NULL;