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| | | | | | | | | | | | | #include <sys/types.h> | #include <sys/stat.h> | #include <fcntl.h> | #include <stdio.h> | | #define BUFSIZE 65536 | #define OVERLAP 32 | | char buffer[BUFSIZE+OVERLAP]; | | int main(int argc, char **argv) | { | int fd; | int offset = 0; | int len; | if (argc < 2) { | fprintf(stderr, "Usage:\n" | "\t%s <cc1>\n", argv[0]); | exit(1); | } | | if ((fd = open(argv[1], O_RDONLY)) < 0) { | fprintf(stderr, "Failed to open \"%s\" for reading.\n", argv[1]); | exit(1); | } | | while ((len = read(fd, buffer + offset, BUFSIZE+OVERLAP-offset)) > 0) { | int i; | len += offset; | for(i=0; i < len-8; i++) { | if (buffer[i] == '.') { | | | if (!strcmp(buffer+i, ".uaword")) { | buffer[i+1] = 'w'; | buffer[i+2] = 'o'; | buffer[i+3] = 'r'; | buffer[i+4] = 'd'; | buffer[i+5] = 0; | buffer[i+6] = 0; | } else if (!strcmp(buffer+i, ".uahalf")) { | buffer[i+1] = 'h'; | buffer[i+2] = 'a'; | buffer[i+3] = 'l'; | buffer[i+4] = 'f'; | buffer[i+5] = 0; | buffer[i+6] = 0; | } | } | } | if (len < BUFSIZE+OVERLAP) { | | write(1, buffer, len); | exit(0); | } | write(1, buffer, BUFSIZE); | memcpy(buffer, buffer+BUFSIZE, offset = (len-BUFSIZE)); | } | write(1, buffer, offset); | exit(0); | } | | |
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