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lifegpc
2024-01-07 00:24:56 +08:00
parent 49070e1e60
commit 2515ccdb54
8 changed files with 642 additions and 0 deletions
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15
cstr_util.c
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@@ -92,6 +92,21 @@ int cstr_tolowercase(const char* str, size_t input_len, char** output) {
return 1;
}
int cstr_touppercase(const char* str, size_t input_len, char** output) {
if (!str || !output) return 0;
if (!input_len) input_len = strlen(str);
if (input_len == (size_t)-1) return 0;
char* tmp = malloc(input_len + 1);
if (!tmp) return 0;
size_t i = 0;
for (; i < input_len; i++) {
tmp[i] = toupper(str[i]);
}
tmp[input_len] = 0;
*output = tmp;
return 1;
}
uint32_t cstr_read_uint32(const uint8_t* bytes, int big) {
if (!bytes) return 0;
return big ? (bytes[0] << 24) + (bytes[1] << 16) + (bytes[2] << 8) + bytes[3] : bytes[0] + (bytes[1] << 8) + (bytes[2] << 16) + (bytes[3] << 24);