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ex-03: Comment code

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This commit is contained in:
Tomáš Kléger 2025-10-07 11:15:26 +02:00
parent cfadb53fa9
commit dea9ea660e
1 changed files with 8 additions and 0 deletions
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8
exercise-03-rgb/main.c
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@ -40,6 +40,7 @@ int main() {
return EXIT_FAILURE; return EXIT_FAILURE;
} }
// Strip out any whitespaces
char* dst = input; char* dst = input;
for(char * src = input; *src; src++) { for(char * src = input; *src; src++) {
if(!isspace(*src)) { if(!isspace(*src)) {
@ -49,6 +50,10 @@ int main() {
*dst = '\0'; *dst = '\0';
int trimmed_len = strlen(input); int trimmed_len = strlen(input);
// Check whether the provided input
// starts with rgb(
// and ends with )
if(strncmp(input, "rgb(", 4) != 0 || input[trimmed_len - 1] != ')') { if(strncmp(input, "rgb(", 4) != 0 || input[trimmed_len - 1] != ')') {
debug("%s not in rgb(xxx) format", input); debug("%s not in rgb(xxx) format", input);
return invalid_input(); return invalid_input();
@ -60,10 +65,13 @@ int main() {
char* token = strtok(slice, ","); char* token = strtok(slice, ",");
for(int i = 0; i < 3; i++) { for(int i = 0; i < 3; i++) {
// strtok reached end prematurely
if(token == NULL) { if(token == NULL) {
debug("Too few numbers"); debug("Too few numbers");
return invalid_input(); return invalid_input();
} }
// Not a number
if(!is_numeric(token)) { if(!is_numeric(token)) {
debug("%s is not a number", token); debug("%s is not a number", token);
return invalid_input(); return invalid_input();