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Reflect latest interface changes.

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This commit is contained in:
Martin Baulig
2000-01-09 10:15:02 +00:00
parent 8745316574
commit d1e708b2cb
1 changed files with 37 additions and 28 deletions
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65
sysdeps/linux/procargs.c
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@@ -29,7 +29,7 @@
#include <glibtop/procargs.h> #include <glibtop/procargs.h>
static const unsigned long _glibtop_sysdeps_proc_args = static const unsigned long _glibtop_sysdeps_proc_args =
(1L << GLIBTOP_PROC_ARGS_SIZE); (1L << GLIBTOP_ARRAY_NUMBER) + (1L << GLIBTOP_ARRAY_SIZE);
/* Init function. */ /* Init function. */
@@ -43,55 +43,64 @@ glibtop_init_proc_args_s (glibtop *server)
/* Provides detailed information about a process. */ /* Provides detailed information about a process. */
char * char **
glibtop_get_proc_args_s (glibtop *server, glibtop_proc_args *buf, glibtop_get_proc_args_s (glibtop *server, glibtop_array *array, pid_t pid)
pid_t pid, unsigned max_len)
{ {
char fn [BUFSIZ], buffer [BUFSIZ]; char fn [BUFSIZ], buffer [BUFSIZ], *ptr = NULL, *pos, **ptrlist;
int cmdline, len, total = 0; size_t count = 0, max_len, total, len;
char *retval = NULL; int cmdline, i;
glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_ARGS, 0); glibtop_init_s (&server, GLIBTOP_SYSDEPS_PROC_ARGS, 0);
memset (buf, 0, sizeof (glibtop_proc_args)); memset (array, 0, sizeof (glibtop_array));
max_len = BUFSIZ;
ptr = glibtop_malloc_r (server, max_len + 1);
sprintf (fn, "/proc/%d/cmdline", pid); sprintf (fn, "/proc/%d/cmdline", pid);
cmdline = open (fn, O_RDONLY); cmdline = open (fn, O_RDONLY);
if (cmdline < 0) return NULL; if (cmdline < 0) return NULL;
if (max_len) {
retval = glibtop_malloc_r (server, max_len+1);
len = read (cmdline, retval, max_len);
if (len < 0) {
glibtop_free_r (server, retval);
return NULL;
}
return retval;
}
while (1) { while (1) {
len = read (cmdline, buffer, BUFSIZ-1); len = read (cmdline, buffer, BUFSIZ-1);
if (len < 0) { if (len < 0) {
glibtop_free_r (server, retval); glibtop_free_r (server, ptr);
return NULL; return NULL;
} }
if (len == 0) if (len == 0)
break; break;
retval = glibtop_realloc_r (server, retval, total+len+1); ptr = glibtop_realloc_r (server, ptr, total+len+1);
memcpy (retval+total, buffer, len); memcpy (ptr+total, buffer, len);
*(retval+total+len) = 0; *(ptr+total+len) = 0;
total += len; total += len;
} }
close (cmdline); close (cmdline);
buf->size = total; ptr [total] = '\0';
buf->flags = _glibtop_sysdeps_proc_args;
for (i = 0; i <= total; i++) {
return retval; if (ptr [i]) continue;
count++;
}
ptrlist = glibtop_calloc_r (server, count+1, sizeof (char *));
for (i = 0, pos = ptr; i < count; i++) {
ptrlist [i] = glibtop_strdup_r (server, pos);
pos += strlen (pos) + 1;
}
ptrlist [count] = NULL;
glibtop_free_r (server, ptr);
array->number = count;
array->size = sizeof (char *);
array->flags = _glibtop_sysdeps_proc_args;
return ptrlist;
} }