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#include <dirent.h>
#include <stdio.h>
#include <string.h>
static void list_pages(const char* section)
{
DIR* section_stream = opendir(section);
if (section_stream == NULL)
return;
for (const struct dirent* entry = readdir(section_stream);
entry != NULL;
entry = readdir(section_stream))
if (entry->d_name[0] != '.')
(void) printf(" page: %s/%s\n", section, entry->d_name);
(void) closedir(section_stream);
}
static void list_sections(const char* directory)
{
DIR* directory_stream = opendir(directory);
if (directory_stream == NULL)
return;
for (const struct dirent* entry = readdir(directory_stream);
entry != NULL;
entry = readdir(directory_stream))
if (strncmp(entry->d_name, "man", 3) == 0)
{
char section[4096];
(void) snprintf(section, sizeof(section), "%s/%s", directory, entry->d_name);
list_pages(section);
}
(void) closedir(directory_stream);
}
int main(int argc, char** argv)
{
if (argc != 2)
{
(void) fprintf(stderr, "usage: %s <symbol>\n", argv[0]);
return 1;
}
const char* query = argv[1];
(void) printf("searching for: %s\n", query);
FILE* manpath_pipe = popen("manpath", "r");
if (manpath_pipe == NULL)
{
(void) fprintf(stderr, "jafm: failed to run manpath\n");
return 1;
}
char buffer[4096];
if (fgets(buffer, sizeof(buffer), manpath_pipe) == NULL)
{
(void) fprintf(stderr, "jafm: failed to read manpath\n");
(void) pclose(manpath_pipe);
return 1;
}
(void) pclose(manpath_pipe);
buffer[strcspn(buffer, "\n")] = '\0';
char* save_pointer = NULL;
for (const char* directory = strtok_r(buffer, ":", &save_pointer);
directory != NULL;
directory = strtok_r(NULL, ":", &save_pointer))
{
(void) printf("man dir: %s\n", directory);
list_sections(directory);
}
return 0;
}
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