71 lines
1.2 KiB
C
71 lines
1.2 KiB
C
#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#define BUTTON "\n### [More](https://urlz.fr/mqBB)"
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#define TOTAL_SIZE 2272
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#define MAX_SIZE TOTAL_SIZE - strlen(BUTTON)
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char* read_file(const char* path)
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{
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char* content;
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int fd;
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fd = open(path, O_RDONLY);
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if (fd == -1)
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goto open_fail;
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content = malloc((TOTAL_SIZE + 1) * sizeof(char));
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if (content == NULL)
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goto alloc_fail;
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int written = read(fd, content, MAX_SIZE);
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if (written == -1)
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goto read_fail;
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content[written] = '\0';
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close(fd);
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return content;
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read_fail:
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alloc_fail:
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free(content);
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open_fail:
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close(fd);
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return NULL;
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}
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int write_file(const char* path, const char* content)
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{
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int fd = open(path, O_WRONLY | O_TRUNC);
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if (fd == -1)
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return 1;
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return write(fd, content, strlen(content));
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}
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int main(int ac, char **av)
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{
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char* path;
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if (ac > 2)
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path = av[1];
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else
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path = "README_COMPLET.md";
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char* content = read_file(path);
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if (content == NULL)
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return 1;
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strcat(content, BUTTON);
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int ret = write_file("README.md", content);
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free(content);
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return ret;
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} |