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Check-in [f66f7bf395]

Overview
Comment:simplified command line validation
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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: f66f7bf395d05e01977407137327154f4828241bbec82e8fdfb55d423aeb4132
User & Date: nnz on 2024-12-04 16:13:50.333
Other Links: manifest | tags
Context
2024-12-04
18:21
201503 1st star check-in: 84c4349d5e user: nnz tags: trunk
16:13
simplified command line validation check-in: f66f7bf395 user: nnz tags: trunk
15:15
added to the ignore glob check-in: 9bfa42bf5d user: nnz tags: trunk
Changes
Unified Diff Ignore Whitespace Patch
Modified aoc.c from [fb51c0a099] to [66f06825e4]. 
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "aocutils.h"
#include "aocdailies.h" // prototypes for all aocYYYYdd functions!

#define MAX_YEAR 2024

int main(int argc, char **argv) {
    unsigned y = 0, d = 0;
    char dataname[99];
    if (argc >= 3) {
        char *err;
        y = strtoul(argv[1], &err, 10);
        if (err && *err) y = 0;
        if (y < 2015) y = 0;
        if (y > MAX_YEAR) y = 0;
        d = strtoul(argv[2], &err, 10);
        if (err && *err) d = 0;
        if (d < 1) d = 0;
        if (d > 25) d = 0;
        if (argc >= 4) {
            sprintf(dataname, "%.98s", argv[3]);
        } else {
            sprintf(dataname, ".%04u%02u.txt", y, d);
        }
    }
    if ((y == 0) || (d == 0)) {
        fprintf(stderr, "syntax: %s yyyy dd [input-file]\n", argv[0]);
        fprintf(stderr, "    where 2015 <= yyyy <= %d\n", MAX_YEAR);
        fprintf(stderr, "    and 1 <= dd <= 25\n");
        fprintf(stderr, "if no [input-file] is supplied loads the file .yyyydd.txt\n");
        exit(EXIT_FAILURE);
    }
    // read data from dataname into input
    char *input = NULL;
    size_t ilen = slurp(&input, dataname);

    // call the right function
    aocfunc *p = aocselect(y, d);
    if (p) p(input, ilen);
    else fprintf(stderr, "Impossible!\n");
    free(input);
}




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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "aocdailies.h" // prototypes for all aocYYYYdd functions!
#include "aocutils.h"


#define MAX_YEAR 2024

int main(int argc, char **argv) {
    unsigned y = 0, d = 0;
    char dataname[99];
    if (argc >= 3) {
        char *err;
        y = strtoul(argv[1], &err, 10);


        if (*err || (y < 2015) || (y > MAX_YEAR)) y = 0;
        d = strtoul(argv[2], &err, 10);

        if (*err || (d < 1) || (d > 25)) d = 0;

        if (argc >= 4) {
            sprintf(dataname, "%.98s", argv[3]);
        } else {
            sprintf(dataname, ".%04u%02u.txt", y, d);
        }
    }
    if ((y == 0) || (d == 0)) {
        fprintf(stderr, "syntax: %s yyyy dd [input-file]\n", argv[0]);
        fprintf(stderr, "    where 2015 <= yyyy <= %d\n", MAX_YEAR);
        fprintf(stderr, "    and 1 <= dd <= 25\n");
        fprintf(stderr, "if no [input-file] is supplied loads the file .yyyydd.txt\n");
        exit(EXIT_FAILURE);
    }
    // read data from dataname into input
    char *input = NULL;
    size_t ilen = slurp(&input, dataname);

    // call the right function
    aocfunc *p = aocselect(y, d);
    if (p) p(input, ilen);
    else fprintf(stderr, "Error: aoc%04u%02u() is missing.\n", y, d);
    free(input);
}
Modified aoc2024.c from [b9786e59e9] to [4bb9424853]. 
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#include <ctype.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "aocdailies.h"
#include "aocutils.h"

static size_t rcmap(unsigned size, unsigned row, unsigned col) {
    return row * (size + 1) + col;
}








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#include <ctype.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "aocdailies.h"
#include "aocutils.h"

static size_t rcmap(unsigned size, unsigned row, unsigned col) {
    return row * (size + 1) + col;
}
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