source code

parrotsay.c

@@ -0,0 +1,115 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+char* parrot = "\
+       \\\n\
+        \\     ▄▄▄▄▄▄▄▄\n\
+         \\  ▄ ▄      ▄▄ ▄\n\
+          ▄ ▄            ▄\n\
+          ▄      ▄▄▄▄▄    \n\
+         ▄               ▄ ▄\n\
+        ▄                   \n\
+                 ▄          \n\
+                  ▄ ▄       \n\
+         ▄        ▄ ▄      ▄▄ ▄\n\
+          ▄                   ▄▄ ▄\n\
+          ▄ ▄▄▄▄                 ▄▄ ▄\n\
+              ▄▄▄▄                  ▄▄ \n\
+        ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀\n\
+\n\
+        \n";
+
+int charcnt(char* s, char c) {
+    int n = 0;
+    for(int i = 0; s[i] != 0; i++) {
+        if(s[i] == c) n++;
+    }
+    return n;
+}
+
+char* tabstospaces(char* s, int n) {
+    int tabscount = charcnt(s, '\t');
+    size_t len = strlen(s);
+    char *new_s = calloc((1 + len + tabscount * (n - 1)), sizeof(char)); 
+    char *new_p = new_s;
+    for(;*s != 0;s++) {
+        if(*s == '\t') {
+            for(int k = 0; k < n; k++) {
+                *(new_p++) = ' ';
+            }
+        } else {
+            *(new_p++) = *s;
+        }
+    }
+
+    return new_s;
+}
+
+void printline(int length) {
+    putchar('+');
+    for(int i = 0; i < length; i++) {
+        putchar('-');
+    }
+    putchar('+');
+    putchar('\n');
+}
+
+int main(int argc, char** argv) {
+    char** message_rows = malloc(sizeof(char*));
+    size_t rows = 0;
+    int buffer_size = 1;
+    int longest_line_size = 0;
+
+    if(argc > 1) {
+        *message_rows = calloc(1, sizeof(char));
+        for(int i = 1; i < argc; i++) {
+            *message_rows = realloc(*message_rows, sizeof(char) * (  strlen(*message_rows)
+                                                                   + strlen(*(argv + i))
+                                                                   + (i == 1 ? 0 : 1)));
+            if(i != 1) {
+                *message_rows = strcat(*message_rows, " ");
+            }
+            *message_rows = strcat(*message_rows, *(argv + i));
+        }
+        rows = 1;
+        longest_line_size = strlen(*message_rows);
+    } else {
+        size_t line_length = 0;
+        ssize_t nread;
+        char* line = NULL;
+        while((nread = getline(&line, &line_length, stdin)) != -1) {
+            if(rows + 1 >= buffer_size) {
+                buffer_size *= 2;
+                message_rows = realloc(message_rows, sizeof(char*) * buffer_size);
+            }
+            char *untabbed_line = tabstospaces(line, 4);
+            size_t untabbed_line_length = strlen(untabbed_line);
+            message_rows[rows] = calloc(1 + untabbed_line_length, sizeof(char));
+            strcpy(message_rows[rows], untabbed_line);
+            message_rows[rows][strcspn(untabbed_line, "\n")] = 0;
+            rows++;
+            if(untabbed_line_length > longest_line_size) {
+                longest_line_size = untabbed_line_length;
+            }
+        }
+        if (line != NULL) free(line);
+    }
+
+    printline(longest_line_size + 2);
+
+    for (size_t i = 0; i < rows; i++) {
+        printf("| %s%*s |\n", message_rows[i], longest_line_size - strlen(message_rows[i]), "");
+        free(message_rows[i]);
+    }
+
+    printline(longest_line_size + 2);
+
+    free(message_rows);
+
+    printf("%s", parrot);
+
+    return 0;
+}
+
+