check for the linux-specific proc filesystem...
committer: Markus Bröker <mbroeker@largo.homelinux.org>
/**
* lsflib/src/get_line.c
* Copyright (C) 2008 Markus Broeker
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <lsf/lsf.h>
#ifndef LINE_LENGTH
#define LINE_LENGTH 100
#endif
char *get_line (const char *filename, const char *cmd, size_t size)
{
int i, j;
char *line, *ptr;
FILE *f = fopen (filename, "r");
if (!f) {
perror ("FOPEN:");
return NULL;
}
line = malloc (LINE_LENGTH + 1);
ptr = malloc ((LINE_LENGTH + 1) * size);
i = 0;
while (fgets (line, LINE_LENGTH, f) != NULL) {
if (strstr (line, cmd)) {
do {
if ((strlen (ptr) + strlen (line)) < LINE_LENGTH * size) {
strcat (ptr, line);
fgets (line, LINE_LENGTH, f);
i++;
} else {
printf ("OVERFLOW: [%d]: %s\n", i * LINE_LENGTH, line);
exit (0);
}
} while (strchr (line, '"') == NULL);
if (i > 1)
strcat (ptr, line);
}
for (i = 0; i < strlen (ptr); i++)
switch (ptr[i]) {
case '\n':
case '\\':
case '"':
for (j = i; j < strlen (ptr) - 1; j++)
ptr[j] = ptr[j + 1];
ptr[j] = 0;
break;
}
}
fclose (f);
free (line);
return ptr;
}