pio.c 3.2 KB

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  1. /** BEGIN COPYRIGHT BLOCK
  2. * This Program is free software; you can redistribute it and/or modify it under
  3. * the terms of the GNU General Public License as published by the Free Software
  4. * Foundation; version 2 of the License.
  5. *
  6. * This Program is distributed in the hope that it will be useful, but WITHOUT
  7. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  8. * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
  9. *
  10. * You should have received a copy of the GNU General Public License along with
  11. * this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
  12. * Place, Suite 330, Boston, MA 02111-1307 USA.
  13. *
  14. * In addition, as a special exception, Red Hat, Inc. gives You the additional
  15. * right to link the code of this Program with code not covered under the GNU
  16. * General Public License ("Non-GPL Code") and to distribute linked combinations
  17. * including the two, subject to the limitations in this paragraph. Non-GPL Code
  18. * permitted under this exception must only link to the code of this Program
  19. * through those well defined interfaces identified in the file named EXCEPTION
  20. * found in the source code files (the "Approved Interfaces"). The files of
  21. * Non-GPL Code may instantiate templates or use macros or inline functions from
  22. * the Approved Interfaces without causing the resulting work to be covered by
  23. * the GNU General Public License. Only Red Hat, Inc. may make changes or
  24. * additions to the list of Approved Interfaces. You must obey the GNU General
  25. * Public License in all respects for all of the Program code and other code used
  26. * in conjunction with the Program except the Non-GPL Code covered by this
  27. * exception. If you modify this file, you may extend this exception to your
  28. * version of the file, but you are not obligated to do so. If you do not wish to
  29. * provide this exception without modification, you must delete this exception
  30. * statement from your version and license this file solely under the GPL without
  31. * exception.
  32. *
  33. *
  34. * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
  35. * Copyright (C) 2005 Red Hat, Inc.
  36. * All rights reserved.
  37. * END COPYRIGHT BLOCK **/
  38. #include "pio.h"
  39. #include <ctype.h>
  40. #include <string.h>
  41. #include <stdlib.h>
  42. int iii_pio_procparse (
  43. const char *cmd,
  44. int count,
  45. struct iii_pio_parsetab *tb
  46. )
  47. {
  48. FILE *fp;
  49. char buf[8192];
  50. int rc = 0;
  51. fp = popen(cmd,"r");
  52. if (fp == NULL) {
  53. return -1;
  54. }
  55. while (fgets(buf,8192,fp) != NULL && rc >= 0) {
  56. char *rp;
  57. int i;
  58. rp = strchr(buf,'\n');
  59. if (rp) {
  60. *rp = '\0';
  61. }
  62. rp = strchr(buf,':');
  63. #if defined(__osf__)
  64. if (rp == NULL) {
  65. rp = strchr(buf,'=');
  66. }
  67. #endif
  68. if (rp == NULL) continue;
  69. *rp = '\0';
  70. rp++;
  71. while(isspace(*rp)) rp++;
  72. for (i = 0; i < count; i++) {
  73. if (strcmp(tb[i].token,buf) == 0) {
  74. rc = (tb[i].fn)(buf,rp);
  75. break;
  76. }
  77. }
  78. }
  79. pclose(fp);
  80. return rc;
  81. }
  82. int iii_pio_getnum (
  83. const char *cmd,
  84. long *valPtr
  85. )
  86. {
  87. FILE *fp;
  88. char buf[8192];
  89. fp = popen(cmd,"r");
  90. if (fp == NULL) {
  91. return -1;
  92. }
  93. if (fgets(buf,8192,fp) == NULL) {
  94. pclose(fp);
  95. return -1;
  96. }
  97. pclose(fp);
  98. if (!(isdigit(*buf))) {
  99. return -1;
  100. }
  101. *valPtr = atol(buf);
  102. return 0;
  103. }