*** empty log message ***

1 files changed, 168 insertions, 0 deletions

diff --git a/isys/moduleinfo.c b/isys/moduleinfo.c
new file mode 100644
index 000000000..afc646026
--- /dev/null
+++ b/isys/moduleinfo.c
@@ -0,0 +1,168 @@
+#include <alloca.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "isys.h"
+
+struct moduleInfo * moduleList = NULL;
+int numModules = 0;
+
+struct moduleInfo * isysGetModuleList(enum driverMajor major) {
+    struct moduleInfo * miList, * next;
+    int i;
+
+    next = miList = malloc(sizeof(*miList) * numModules + 1);
+    for (i = 0; i < numModules; i++) {
+	if (moduleList[i].major == major || major == DRIVER_NONE) {
+	    *next = moduleList[i];
+	    next++;
+	}
+    }
+
+    if (next == miList) {
+	free(next);
+	return NULL;
+    }
+
+    next->moduleName = NULL;
+    next++;
+
+    miList = realloc(miList, sizeof(*miList) * (next - miList));
+    return miList;
+}
+
+struct moduleInfo * isysFindModuleInfo(const char * moduleName) {
+    int i;
+
+    for (i = 0; i < numModules; i++)
+	if (!strcmp(moduleName, moduleList[i].moduleName))
+	    return moduleList + i;
+
+    return NULL;
+}
+
+int isysReadModuleInfo(const char * filename) {
+    int fd, isIndented;
+    char * buf, * start, * next, * chptr;
+    struct stat sb;
+    char oldch;
+    struct moduleInfo * nextModule;
+    int modulesAlloced;
+
+    fd = open(filename, O_RDONLY);
+    if (fd < 0) return -1;
+ 
+    fstat(fd, &sb);
+    buf = alloca(sb.st_size + 1);
+    read(fd, buf, sb.st_size);
+    buf[sb.st_size] = '\0';
+    close(fd);
+
+    nextModule = moduleList;
+    modulesAlloced = numModules;
+
+    if (strncmp(buf, "Version 0\n", 10)) return -1;
+
+    start = buf + 10;
+    while (start && *start) {
+	chptr = strchr(start, '\n');
+	if (chptr) {
+	    /* slice and dice */
+	    next = chptr + 1;
+	} else {
+	    chptr + strlen(start) - 1;
+	}
+
+	chptr--;
+	while (isspace(*chptr)) chptr--;
+	chptr++;
+	*chptr = '\0';
+
+	isIndented = 0;
+	if (isspace(*start)) {
+	    while (isspace(*start) && *start != '\n') start++;
+	    isIndented = 1;
+	}
+
+	if (*start != '\n' && *start && *start != '#') {
+	    if (!isIndented) {
+		if (nextModule && nextModule->moduleName) numModules++;
+
+		if (numModules == modulesAlloced) {
+		    modulesAlloced += 5;
+		    moduleList = realloc(moduleList,
+			modulesAlloced * sizeof(*moduleList));
+		}
+		nextModule = moduleList + numModules;
+		nextModule->moduleName = strdup(start);
+		nextModule->major = DRIVER_NONE;
+		nextModule->minor = DRIVER_MINOR_NONE;
+		nextModule->description = NULL;
+		nextModule->args = NULL;
+		nextModule->numArgs = 0;
+	    } else if (nextModule->major == DRIVER_NONE) {
+		chptr = start + strlen(start) - 1;
+		while (!isspace(*chptr) && chptr > start) chptr--;
+		if (chptr != start) chptr++;
+
+		if (!strcmp(chptr, "eth")) {
+		    nextModule->major = DRIVER_NET;
+		    nextModule->minor = DRIVER_MINOR_ETHERNET;
+		} else if (!strcmp(chptr, "tr")) {
+		    nextModule->major = DRIVER_NET;
+		    nextModule->minor = DRIVER_MINOR_TR;
+		} else if (!strcmp(chptr, "plip")) {
+		    nextModule->major = DRIVER_NET;
+		    nextModule->minor = DRIVER_MINOR_PLIP;
+		} else if (!strcmp(chptr, "scsi_hostadapter")) {
+		    nextModule->major = DRIVER_SCSI;
+		} else if (!strcmp(chptr, "cdrom")) {
+		    nextModule->major = DRIVER_CDROM;
+		}
+	    } else if (!nextModule->description) {
+		chptr = start + strlen(start) - 1;
+		if (*start == '"' && *chptr == '"') {
+		    start++;
+		    chptr--;
+		    *chptr = '\0';
+		    nextModule->description = strdup(start);
+		}
+	    } else {
+		nextModule->args = realloc(nextModule->args,
+			sizeof(*nextModule->args) * (nextModule->numArgs + 1));
+		chptr = start;
+		while (!isspace(*chptr) && *chptr) chptr++;
+		if (*chptr) {
+		    oldch = *chptr;
+		    *chptr = '\0';
+		    nextModule->args[nextModule->numArgs].arg = strdup(start);
+
+		    start = chptr + 1;
+		    while (*start && isspace(*start)) start++;
+
+		    if (*start == '"') {
+			start++;
+			chptr = strchr(start, '"');
+			if (chptr) {
+			    *chptr = '\0';
+			    nextModule->args[nextModule->numArgs].description = 
+				strdup(start);
+			    nextModule->numArgs++;
+			}
+		    }
+		}
+	    }
+	}
+
+	start = next;
+    }
+
+    if (nextModule && nextModule->moduleName) numModules++;
+    numModules = nextModule - moduleList;
+
+    return 0;
+}