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use while loop instead of recursion for replace functions

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This commit is contained in:
Joshix 2021-10-03 21:33:53 +02:00
parent cc399b471f
commit 07b2c4a4d8
1 changed files with 15 additions and 22 deletions
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37
uwufetch.c
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@ -710,36 +710,29 @@ replace("Hello World!", "World", "everyone")
void replace(char *original, char *search, char *replacer) void replace(char *original, char *search, char *replacer)
{ {
char *ch; char *ch;
if (!(ch = strstr(original, search)))
return;
char buffer[1024]; char buffer[1024];
while (ch = strstr(original, search)) {
strncpy(buffer, original, ch - original);
buffer[ch - original] = 0;
sprintf(buffer + (ch - original), "%s%s", replacer, ch + strlen(search));
strncpy(buffer, original, ch - original); original[0] = 0;
buffer[ch - original] = 0; strcpy(original, buffer);
sprintf(buffer + (ch - original), "%s%s", replacer, ch + strlen(search)); }
original[0] = 0;
strcpy(original, buffer);
return replace(original, search, replacer);
} }
void replace_ignorecase(char *original, char *search, char *replacer) void replace_ignorecase(char *original, char *search, char *replacer)
{ {
char *ch; char *ch;
if (!(ch = strcasestr(original, search))) char buffer[1024];
return; while (ch = strcasestr(original, search)) {
strncpy(buffer, original, ch - original);
buffer[ch - original] = 0;
sprintf(buffer + (ch - original), "%s%s", replacer, ch + strlen(search));
char buffer[1024]; original[0] = 0;
strcpy(original, buffer);
strncpy(buffer, original, ch - original); }
buffer[ch - original] = 0;
sprintf(buffer + (ch - original), "%s%s", replacer, ch + strlen(search));
original[0] = 0;
strcpy(original, buffer);
return replace_ignorecase(original, search, replacer);
} }
void print_ascii() void print_ascii()