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Use realloc correctly

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Quote from MALLOC(3) manpage:

The realloc() function returns a pointer to the newly allocated memory, which is suitably aligned for  any  kind  of
variable and may be different from ptr, or NULL if the request fails.
This commit is contained in:
Laurent Fasnacht 2014-04-04 06:31:54 +02:00
parent 0074cd1a98
commit b371a8bb59
1 changed files with 4 additions and 2 deletions
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6
src/encmain.c
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@ -147,9 +147,11 @@ int main(int argc, char *argv[])
sprintf(dim_str, "_%dx%d.yuv", cfg->width, cfg->height);
left_len = strlen(cfg->debug);
right_len = strlen(dim_str);
if (realloc(cfg->debug, left_len + right_len + 1)) {
strcpy(cfg->debug + left_len, dim_str);
if (!(cfg->debug = realloc(cfg->debug, left_len + right_len + 1))) {
fprintf(stderr, "realloc failed!\n");
return EXIT_FAILURE;
}
strcpy(cfg->debug + left_len, dim_str);
}
// Do more validation to make sure the parameters we have make sense.