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malloc/calloc: check for NULL always (11.1.0 gcc -fanalyzer -c backend/*.c)

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ZBarcode_Encode: don't reinit symbol->outfile, props Alonso Schaich
frontend/test_args: skip long filename tests on Windows, props Alonso Schaich
This commit is contained in:
gitlost 2021-06-29 15:43:42 +01:00
parent 8c419ab4fb
commit 368633bda4
9 changed files with 131 additions and 55 deletions
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8
backend/emf.c
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@ -620,7 +620,13 @@ INTERNAL int emf_plot(struct zint_symbol *symbol, int rotate_angle) {
assert(str->length > 0);
utfle_len = utfle_length(str->text, str->length);
bumped_len = bump_up(utfle_len) * 2;
this_string[this_text] = (unsigned char *) malloc(bumped_len);
if (!(this_string[this_text] = (unsigned char *) malloc(bumped_len))) {
for (i = 0; i < this_text; i++) {
free(this_string[i]);
}
strcpy(symbol->errtxt, "641: Insufficient memory for EMF string buffer");
return ZINT_ERROR_MEMORY;
}
memset(this_string[this_text], 0, bumped_len);
text[this_text].type = 0x00000054; // EMR_EXTTEXTOUTW
text[this_text].size = 76 + bumped_len;