diff options
| -rw-r--r-- | challenge-160/duncan-c-white/C/.build | 2 | ||||
| -rw-r--r-- | challenge-160/duncan-c-white/C/Makefile | 13 | ||||
| -rw-r--r-- | challenge-160/duncan-c-white/C/README | 1 | ||||
| -rw-r--r-- | challenge-160/duncan-c-white/C/ch-1.c | 91 | ||||
| -rw-r--r-- | challenge-160/duncan-c-white/README | 3 |
5 files changed, 110 insertions, 0 deletions
diff --git a/challenge-160/duncan-c-white/C/.build b/challenge-160/duncan-c-white/C/.build new file mode 100644 index 0000000000..7a8295430e --- /dev/null +++ b/challenge-160/duncan-c-white/C/.build @@ -0,0 +1,2 @@ +BUILD = ch-1 +#CFLAGS = -g diff --git a/challenge-160/duncan-c-white/C/Makefile b/challenge-160/duncan-c-white/C/Makefile new file mode 100644 index 0000000000..61dae2a678 --- /dev/null +++ b/challenge-160/duncan-c-white/C/Makefile @@ -0,0 +1,13 @@ +BUILD = ch-1 +CC = gcc +CFLAGS = #-g + +all: $(BUILD) + +clean: + /bin/rm -f $(BUILD) *.o core a.out + +ch-1: ch-1.o + $(CC) $(CFLAGS) ch-1.o -o ch-1 + +ch-1.o: ch-1.c diff --git a/challenge-160/duncan-c-white/C/README b/challenge-160/duncan-c-white/C/README new file mode 100644 index 0000000000..8fcb95df91 --- /dev/null +++ b/challenge-160/duncan-c-white/C/README @@ -0,0 +1 @@ +Thought I'd also have a go at translating ch-1.pl into C.. diff --git a/challenge-160/duncan-c-white/C/ch-1.c b/challenge-160/duncan-c-white/C/ch-1.c new file mode 100644 index 0000000000..5a46654f95 --- /dev/null +++ b/challenge-160/duncan-c-white/C/ch-1.c @@ -0,0 +1,91 @@ +/* + * TASK #1 - Four Is Magic - done in C. + * MY NOTES: ok. Pretty easy. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <string.h> + +char *n_to_word[] = { + "zero", + "one", + "two", + "three", + "four", + "five", + "six", + "seven", + "eight", + "nine" +}; + + +bool debug = false; + + +/* + * int n = process_args( argc, argv ); + * Process cmd line options (setting debug if --debug/-d option given) + * and the optional value n (default 3), return n. + * My goodness, it's painful to write this sort of code.. + */ +int process_args( int argc, char **argv ) +{ + int pos = 1; + if( argc > 1 && + (strcmp( argv[1], "--debug" )==0 || strcmp( argv[1], "-d")==0 ) ) + { + debug = true; + pos++; + } + if( argc < pos ) + { + fprintf( stderr, + "Usage: four-is-magic [--debug] [N] (default 3, < 10)\n" ); + exit(1); + } + int n = argc > pos ? atoi( argv[pos] ) : 3; + if( n==0 ) n = 3; + if( n < 0 || n > 9 ) + { + fprintf( stderr, "four-is-magic: n ($n) must be 0..9\n" ); + exit(1); + } + return n; +} + + +int main( int argc, char **argv ) +{ + int n = process_args( argc, argv ); + + char *word = n_to_word[n]; + + char answer[512]; + char *p = answer; + + while( strcmp( word, "four") != 0 ) + { + int len = strlen(word); + char *lenword = n_to_word[len]; + strcpy( p, word ); + strcat( p, " is " ); + strcat( p, lenword ); + strcat( p, ", " ); + p += strlen(p); + if( debug ) + { + printf( "debug: word=%s, len=%d, lenword=%s, " + "added '%s is %s'\n", + word, len, lenword, word, lenword ); + } + word = lenword; + } + + strcpy( p, "four is magic." ); + + puts( answer ); + return 0; +} diff --git a/challenge-160/duncan-c-white/README b/challenge-160/duncan-c-white/README index c84ca6bc89..b73af0151f 100644 --- a/challenge-160/duncan-c-white/README +++ b/challenge-160/duncan-c-white/README @@ -24,6 +24,9 @@ Example 3: MY NOTES: ok. Pretty easy. +GUEST LANGUAGE: As a bonus, I'd also have a go at translating ch-1.pl into C, +look in the C directory. + TASK #2 - Equilibrium Index |