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Klemek
2025-06-04 14:44:24 +02:00
parent 8ca37b89eb
commit 549b623896
5 changed files with 45 additions and 37 deletions
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src/args.c
+29 -35
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@@ -40,13 +40,8 @@ void invalid_arg(char *arg) {
print_help(1);
}
void invalid_value(char *arg, char *subarg, char *value) {
if (subarg == NULL) {
fprintf(stderr, "invalid value for argument '%s': '%s'\n\n", arg, value);
} else {
fprintf(stderr, "invalid value for argument '%s' %s: '%s'\n\n", arg, subarg,
value);
}
void invalid_value(char *arg, char *value) {
fprintf(stderr, "invalid value for argument '%s': '%s'\n\n", arg, value);
print_help(1);
}
@@ -59,7 +54,7 @@ char *split_arg_value(char *arg) {
bool is_digit(char c) { return c >= '0' && c <= '9'; }
bool is_number(char *value, char *max) {
bool is_number(char *value) {
if (value == NULL) {
return false;
}
@@ -70,26 +65,34 @@ bool is_number(char *value, char *max) {
return false;
}
}
return strcmp(value, max) <= 0;
return true;
}
unsigned char parse_char(char *arg, char *value) {
if (!is_number(value, "255")) {
invalid_value(arg, NULL, value);
if (!is_number(value)) {
invalid_value(arg, value);
}
return (char)atoi(value);
unsigned long long tmp_value = (unsigned long long)atoll(value);
if (tmp_value >= 256) {
invalid_value(arg, value);
}
return (unsigned char)tmp_value;
}
unsigned short parse_ushort(char *arg, char *value) {
if (!is_number(value, "65535")) {
invalid_value(arg, NULL, value);
if (!is_number(value)) {
invalid_value(arg, value);
}
return (unsigned short)atoi(value);
unsigned long long tmp_value = (unsigned long long)atoll(value);
if (tmp_value >= 65536) {
invalid_value(arg, value);
}
return (unsigned short)tmp_value;
}
unsigned short parse_ulong(char *arg, char *value) {
if (!is_number(value, "18446744073709551615")) {
invalid_value(arg, NULL, value);
if (!is_number(value)) {
invalid_value(arg, value);
}
return (unsigned long)atoll(value);
}
@@ -97,20 +100,11 @@ unsigned short parse_ulong(char *arg, char *value) {
void parse_color(char *arg, char *value, unsigned char color[3]) {
char *tmp;
tmp = strtok(value, ",");
if (!is_number(tmp, "255")) {
invalid_value(arg, "(R)", tmp);
}
color[0] = (char)atoi(tmp);
color[0] = parse_char(arg, tmp);
tmp = strtok(NULL, ",");
if (!is_number(tmp, "255")) {
invalid_value(arg, "(G)", tmp);
}
color[1] = (char)atoi(tmp);
color[1] = parse_char(arg, tmp);
tmp = strtok(NULL, ",");
if (!is_number(tmp, "255")) {
invalid_value(arg, "(B)", tmp);
}
color[2] = (char)atoi(tmp);
color[2] = parse_char(arg, tmp);
}
parameters parse_args(int argc, char **argv) {
@@ -141,7 +135,7 @@ parameters parse_args(int argc, char **argv) {
} else if (is_arg(arg, "-w") || is_arg(arg, "--width")) {
params.width = parse_ushort(arg, value);
if (params.width == 0) {
invalid_value(arg, NULL, value);
invalid_value(arg, value);
}
if (params.height == 0) {
params.height = params.width;
@@ -149,7 +143,7 @@ parameters parse_args(int argc, char **argv) {
} else if (is_arg(arg, "-h") || is_arg(arg, "--height")) {
params.height = parse_ushort(arg, value);
if (params.height == 0) {
invalid_value(arg, NULL, value);
invalid_value(arg, value);
}
if (params.width == 0) {
params.width = params.height;
@@ -161,7 +155,7 @@ parameters parse_args(int argc, char **argv) {
} else if (is_arg(arg, "-p") || is_arg(arg, "--pixel")) {
params.size = parse_ushort(arg, value);
if (params.size == 0) {
invalid_value(arg, NULL, value);
invalid_value(arg, value);
}
size_set = true;
} else if (is_arg(arg, "-s") || is_arg(arg, "--slope")) {
@@ -202,9 +196,9 @@ parameters parse_args(int argc, char **argv) {
}
if (!var_set) {
params.var[0] = rand_uchar(30);
params.var[1] = rand_uchar(30);
params.var[2] = rand_uchar(30);
params.var[0] = rand_uchar(20);
params.var[1] = rand_uchar(20);
params.var[2] = rand_uchar(20);
}
return params;