70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
// vim:ts=4:sw=4:expandtab
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <yajl/yajl_gen.h>
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#include <yajl/yajl_version.h>
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#include <sys/types.h>
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#include <sys/fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include "i3status.h"
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#define STRING_SIZE 10
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void print_file_contents(yajl_gen json_gen, char *buffer, const char *title, const char *path, const char *format, const char *format_bad, const int max_chars) {
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const char *walk = format;
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char *outwalk = buffer;
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char *buf = scalloc(max_chars * sizeof(char) + 1);
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char *abs_path = resolve_tilde(path);
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int fd = open(abs_path, O_RDONLY);
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free(abs_path);
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INSTANCE(path);
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int n = -1;
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if (fd > -1) {
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n = read(fd, buf, max_chars);
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if (n != -1) {
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buf[n] = '\0';
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}
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(void)close(fd);
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START_COLOR("color_good");
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} else if (errno != 0) {
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walk = format_bad;
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START_COLOR("color_bad");
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}
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// remove newline chars
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char *src, *dst;
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for (src = dst = buf; *src != '\0'; src++) {
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*dst = *src;
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if (*dst != '\n') {
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dst++;
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}
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}
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*dst = '\0';
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char string_errno[STRING_SIZE];
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sprintf(string_errno, "%d", errno);
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placeholder_t placeholders[] = {
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{.name = "%title", .value = title},
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{.name = "%content", .value = buf},
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{.name = "%errno", .value = string_errno},
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{.name = "%error", .value = strerror(errno)}};
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const size_t num = sizeof(placeholders) / sizeof(placeholder_t);
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buffer = format_placeholders(walk, &placeholders[0], num);
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free(buf);
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END_COLOR;
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OUTPUT_FULL_TEXT(buffer);
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free(buffer);
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}
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