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cangen: parse_dataoptarg(): avoid loop initial declaration

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| cangen.c: In function ‘parse_dataoptarg’:
| cangen.c:422:2: error: ‘for’ loop initial declarations are only allowed in C99 mode
|   for (int i = 0; i < CANFD_MAX_DLEN && i < arglen / 2; i++) {
|   ^
| cangen.c:422:2: note: use option -std=c99 or -std=gnu99 to compile your code
| cangen.c: In function ‘main’:
| cangen.c:796:4: error: ‘for’ loop initial declarations are only allowed in C99 mode
|     for (int i = 0; i < frame.len; i++) {
|     ^

Reported-by: https://github.com/yannS2016
Link: https://github.com/linux-can/can-utils/issues/428
Fixes: e409aa4c8c ("cangen: new generation mode - partially randomized payload (-D)")
This commit is contained in:
Marc Kleine-Budde
2023-04-30 20:07:24 +02:00
parent c8fef7d60d
commit 3c9fd96881
1 changed files with 2 additions and 1 deletions
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cangen.c
+2 -1
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@@ -417,9 +417,10 @@ static int parse_dataoptarg(char *dataoptarg, unsigned char *rand_position)
{ {
int mode_format_selected = MODE_FIX; int mode_format_selected = MODE_FIX;
int arglen = strlen(dataoptarg); int arglen = strlen(dataoptarg);
int i;
/* Mark nibbles with * as fuzzable */ /* Mark nibbles with * as fuzzable */
for (int i = 0; i < CANFD_MAX_DLEN && i < arglen / 2; i++) { for (i = 0; i < CANFD_MAX_DLEN && i < arglen / 2; i++) {
if (optarg[2 * i] == CHAR_RANDOM) { if (optarg[2 * i] == CHAR_RANDOM) {
optarg[2 * i] = '0'; optarg[2 * i] = '0';
rand_position[i] += NIBBLE_H; rand_position[i] += NIBBLE_H;