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v.in.dwg: Avoid using same variable as parameter and destination in sprintf #4262

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merged 1 commit into from
Sep 15, 2024
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v.in.dwg: Avoid using same variable as parameter and destination in sprintf #4262

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12 changes: 8 additions & 4 deletions vector/v.in.dwg/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,8 @@ int main(int argc, char *argv[])
struct GModule *module;
struct Option *out_opt, *in_opt;
struct Flag *z_flag, *circle_flag, *l_flag, *int_flag;
char buf[2000];
const size_t BUFSIZE = 2000;
char buf[BUFSIZE];

/* DWG */
char path[2000];
Expand Down Expand Up @@ -135,10 +136,13 @@ int main(int argc, char *argv[])
/* Init OpenDWG */
sprintf(path, "%s/etc/adinit.dat", G_gisbase());
if (!adInitAd2(path, &initerror)) {
sprintf(buf, _("Unable to initialize OpenDWG Toolkit, error: %d: %s."),
initerror, adErrorStr(initerror));
snprintf(buf, BUFSIZE,
_("Unable to initialize OpenDWG Toolkit, error: %d: %s."),
initerror, adErrorStr(initerror));
size_t buflen = strlen(buf);
if (initerror == AD_UNABLE_TO_OPEN_INIT_FILE)
sprintf(buf, _("%s Cannot open %s"), buf, path);
snprintf(buf + buflen, BUFSIZE - buflen, _(" Cannot open %s"),
path);
G_fatal_error(buf);
}
adSetupDwgRead();
Expand Down
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